The rough surface of a horizontal table offers a definite maximum opposing force to initiate the motion of a block along with the table,

The rough surface of a horizontal table offers a definite maximum opposing force to initiate the motion of a block along with the table,
by

1 Answer

Answer :

The rough surface of a horizontal table offers a definite maximum opposing force to initiate the motion of ... of F2 adds up to the opposing force.
by
selected by

Related questions

Figure below shows a block of mass 35 kg resting on a table. The table is so rough that it offers a self adjusting resistive force 10%

Description : Figure below shows a block of mass 35 kg resting on a table. The table is so rough that it offers a self adjusting resistive force 10%

Last Answer : Figure below shows a block of mass 35 kg resting on a table. The table is so rough that it ... so that the block does not slide along the table?

A body of mass 37 kg rests on a rough horizontal surface. The minimum horizontal force required to just start the motion

Description : A body of mass 37 kg rests on a rough horizontal surface. The minimum horizontal force required to just start the motion

Last Answer : A body of mass 37 kg rests on a rough horizontal surface. The minimum horizontal force required to just start the ... ) µs = 0.188 b) µk = 0.118

A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a.Proportional to the coefficient of static friction b.Proportional to the coefficient of dynamic friction c.Indeterminate d.Determinate but depends on the acceleration of the cylinder e.None of the above

Description : A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a. ... c.Indeterminate d.Determinate but depends on the acceleration of the cylinder e.None of the above

Last Answer : c. Indeterminate

A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a.Indeterminate b.Proportional to the coefficient of dynamic friction c.Determinate but depends on the acceleration of the cylinder d.107 dynes e.Proportional to the coefficient of static friction

Description : A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a. ... on the acceleration of the cylinder d.107 dynes e.Proportional to the coefficient of static friction

Last Answer : c. Determinate but depends on the acceleration of the cylinder

A body of weight 100 kg is placed on a horizontal plane. A horizontal force of 30 kg is applied and the block is just on the point of motion. The angle of friction is a.About 16? b.30? c.45? d.60? e.None of the above

Description : A body of weight 100 kg is placed on a horizontal plane. A horizontal force of 30 kg is applied and the block is just on the point of motion. The angle of friction is a.About 16? b.30? c.45? d.60? e.None of the above

Last Answer : a. About 16?

A block of mass 37 kg rests on a rough horizontal plane having coefficient of static friction 0.3.

Description : A block of mass 37 kg rests on a rough horizontal plane having coefficient of static friction 0.3.

Last Answer : A block of mass 37 kg rests on a rough horizontal plane having coefficient of static friction ... force required to just move the block horizontally.

A particle moves along a rough plane inclined at 30? to the horizontal. The co-efficient of friction between the particle and the plane is 0.1. Its initial velocity is 15 m/sec. The ratio of the velocity of the particle when it move down the plane to that when it move up the plane would be in the regions a.8 ? 10 b.5 ? 7 c.2 ? 3 d.4 ? 6 e.10 ? 13

Description : A particle moves along a rough plane inclined at 30? to the horizontal. The co-efficient of friction between the particle and the plane is 0.1. Its initial velocity is 15 m/sec. The ratio of the velocity of the particle when it move ... be in the regions a.8 ? 10 b.5 ? 7 c.2 ? 3 d.4 ? 6 e.10 ? 13

Last Answer : b. 5 ? 7

A weight of 4.9 N rests on a rough horizontal floor that has a coefficient of friction of 0.5. If g = 9.8 m/s2, the smallest horizontal force that gives the weight an acceleration of 4m/s2 is most nearly a.2.5 N b.3 N c.2 N d.4.5 N e.4.9 N

Description : A weight of 4.9 N rests on a rough horizontal floor that has a coefficient of friction of 0.5. If g = 9.8 m/s2, the smallest horizontal force that gives the weight an acceleration of 4m/s2 is most nearly a.2.5 N b.3 N c.2 N d.4.5 N e.4.9 N

Last Answer : d. 4.5 N

An 8 kilogram mass resting on a frictionless horizontal surface is attached to a spring with a force constant of 50 Newtons per meter. If the velocity of the mass through the equilibrium position is 5 meters per second, what is the mass's maximum displacement from equilibrium?

Description : An 8 kilogram mass resting on a frictionless horizontal surface is attached to a spring with a force constant of 50 Newtons per meter. If the velocity of the mass through the equilibrium position is 5 meters per second, what is the mass's maximum displacement from equilibrium?

Last Answer : ANSWER: 2 METERS

Is it true that more force must be applied when pushing something across rough surface?

Description : Is it true that more force must be applied when pushing something across rough surface?

Last Answer : What is the answer ?

In the equation of virtual work, following force is neglected (A) Reaction of any smooth surface with which the body is in contact (B) Reaction of a rough surface of a body which rolls on it without slipping (C) Reaction at a point or an axis, fixed in space, around which a body is constrained to turn (D) All of the above

Description : In the equation of virtual work, following force is neglected (A) Reaction of any smooth surface with which the body is in contact (B) Reaction of a rough surface of a body which rolls on it without ... an axis, fixed in space, around which a body is constrained to turn (D) All of the above

Last Answer : (D) All of the above

After question hour, a motion moved by a Member of Parliament to draw the attention of Executive for discussing a definite matter of public importance is- (1) Privilege motion (2) Calling attention Motion (3) Adjournment motion (4) No-confidence motion

Description : After question hour, a motion moved by a Member of Parliament to draw the attention of Executive for discussing a definite matter of public importance is- (1) Privilege motion (2) Calling attention Motion (3) Adjournment motion (4) No-confidence motion

Last Answer : (3) Adjournment motion Explanation: Adjournment motion is moved by a member when it is desired to draw the attention of the Executive for the purpose of discussing a definite matter of urgent ... aside the normal business of the House for discussing a definite matter of urgent public importance.

is a combination of rigid or resistant Bodies having definite motion and capable of performing useful work a) Tool. c) Implement b) Machine. d) None of the above

Description : is a combination of rigid or resistant Bodies having definite motion and capable of performing useful work a) Tool. c) Implement b) Machine. d) None of the above

Last Answer : Machine.

Which one of the following is not the law of dry friction? a.If friction is neglected, the reactions are always normal to the surfaces on contact b.Friction always acts to oppose the relative motion of the free body c.If static friction is acting, the value of the friction force may vary from zero to its maximum value d.The force of friction is always normal to the surface e.All of the above

Description : Which one of the following is not the law of dry friction? a.If friction is neglected, the reactions are always normal to the surfaces on contact b.Friction always acts to oppose the relative motion of ... its maximum value d.The force of friction is always normal to the surface e.All of the above

Last Answer : d. The force of friction is always normal to the surface

The coefficient of friction is a.The tangent of the angle between the normal reaction and direction of limiting friction b.The tangent of the angle between the normal reaction and the resultant of the normal reaction and the limiting friction c.The tangent of the angle of the net resultant force with the direction of motion d.The tangent of the angle between the horizontal plane and the resultant force e.The angle between the normal reaction and the resultant of normal reaction and the limiting friction

Description : The coefficient of friction is a.The tangent of the angle between the normal reaction and direction of limiting friction b.The tangent of the angle between the normal reaction and the resultant ... e.The angle between the normal reaction and the resultant of normal reaction and the limiting friction

Last Answer : a. The tangent of the angle between the normal reaction and direction of limiting friction

Two male members of the aristocracy are positioned to engage in battle against one another. Their wives, undaunted and loyal, stand beside their husbands, despite the dangers of the impending conflict. The strength of each of the opposing forces is equal, but small, with a mere 14 fighting men for each force, aside from the husbands and their wives. The combat is about to commence, so I ask you ------- Which army will make the first move? -Riddles

Description : Two male members of the aristocracy are positioned to engage in battle against one another. Their wives, undaunted and loyal, stand beside their husbands, despite the dangers of the impending conflict. The strength of ... commence, so I ask you ------- Which army will make the first move? -Riddles

Last Answer : The White Army. White always is required to make the first move ----- in a game of chess.

What opposing force must be overcome by charges flowing in electronic currents?

Description : What opposing force must be overcome by charges flowing in electronic currents?

Last Answer : What is the answer ?

When currents are moving in the same direction in two conductors, then the force will be a) Attractive b) Repulsive c) Retracting d) Opposing

Description : When currents are moving in the same direction in two conductors, then the force will be a) Attractive b) Repulsive c) Retracting\ d) Opposing

Last Answer : a) Attractive

A __________ surface has the maximum thermal emissivity out of the following. (A) Black & smooth (B) Black & rough (C) White & smooth (D) White & rough

Description : A __________ surface has the maximum thermal emissivity out of the following. (A) Black & smooth (B) Black & rough (C) White & smooth (D) White & rough

Last Answer : (B) Black & rough

During the motion of a projectile fired from the earth surface, ______. (1) its kinetic energy remains constant (2) its momentum remains constant (3) vertical component of its velocity remains constant (4) horizontal component of its velocity remains constant

Description : During the motion of a projectile fired from the earth surface, ______. (1) its kinetic energy remains constant (2) its momentum remains constant (3) vertical component of its velocity remains constant (4) horizontal component of its velocity remains constant

Last Answer : (4) horizontal component of its velocity remains constant Explanation: The motion of a projectile is a two-dimensional motion-Horizontal motion and vertical motion-that take place independent ... continuously affects the vertical component, so the vertical motion is a uniformly accelerated motion.

During the motion of a projectile fired from the earth surface, _______ (1) its kinetic energy remains constant (2) its momentum remains constant (3) vertical component of its velocity remains constant (4) horizontal component of its velocity remains constant

Description : During the motion of a projectile fired from the earth surface, _______ (1) its kinetic energy remains constant (2) its momentum remains constant (3) vertical component of its velocity remains constant (4) horizontal component of its velocity remains constant

Last Answer : horizontal component of its velocity remains constant

Pick out the correct statement. (A) The capacity and the effectiveness of a screen are the same (B) The capacity and the effectiveness of screen are opposing factors (C) The screening surface of a 'reel' (a revolving screen used in flour mills) is made of silk bolting cloth supported by wire mesh (D) Both (B) and (C)

Description : Pick out the correct statement. (A) The capacity and the effectiveness of a screen are the same (B) The capacity and the effectiveness of screen are opposing factors (C) The screening surface of a 'reel' (a ... flour mills) is made of silk bolting cloth supported by wire mesh (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C

In a force-extension graph, force is taken along horizontal axis because A. force is independent variable B. extension is independent variable C. force is dependent variable D. all of abov

Description : In a force-extension graph, force is taken along horizontal axis because A. force is independent variable B. extension is independent variable C. force is dependent variable D. all of abov

Last Answer : force is independent variable

Along horizontal curves, if centrifugal force exceeds lateral friction, vehicles may (A) Skid (B) Slip (C) Not be affected (D) None of these

Description : Along horizontal curves, if centrifugal force exceeds lateral friction, vehicles may (A) Skid (B) Slip (C) Not be affected (D) None of these

Last Answer : Answer: Option A

A car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop in 10 seconds. The mass of the car is: w) 1250 kilograms x) 2500 kilograms y) 5000 kilograms z) 10,000 kilograms

Description : A car is moving along a straight horizontal road at a speed of 20 meters per second. The brakes are applied and a constant force of 5000 Newtons decelerates the car to a stop in 10 seconds. The mass of the car is: w) 1250 kilograms x) 2500 kilograms y) 5000 kilograms z) 10,000 kilograms

Last Answer : ANSWER: X -- 2500 KILOGRAMS

A certain machine exerts a force of 200 newtons on a box whose mass is 30 kilograms. The machine moves the box a distance of 20 meters along a horizontal floor. What amount of work does the machine do on the box?

Description : A certain machine exerts a force of 200 newtons on a box whose mass is 30 kilograms. The machine moves the box a distance of 20 meters along a horizontal floor. What amount of work does the machine do on the box?

Last Answer : ANSWER: 4000 JOULES

How do I solve this...A block of mass m is projected across a horizontal surface with an initial speed v?

Description : How do I solve this...A block of mass m is projected across a horizontal surface with an initial speed v?

Last Answer : It slides until it stops due to the friction force between the block and the surface. The same block is now projected across the horizontal surface with an initial speed v/2. When the block has come to rest, how does the distance from the projection point compare to that in the first case?

An insect of negligible mass is sitting on a block of mass M, tied with a spring of force constant K. The block performs simple harmonic motion with a

Description : An insect of negligible mass is sitting on a block of mass M, tied with a spring of force constant K. The block performs simple harmonic motion with a

Last Answer : An insect of negligible mass is sitting on a block of mass M, tied with a spring of force constant K. The block ... /2 sqrt(k/M)` D. `2A sqrt(k/M)`

Pick up the correct statement from the following: A. Inlets are provided on the road surface at the lowest point for draining rain water B. Inlets are generally provided at an interval of 30 m to 60 m along straight roads C. Inlets having horizontal openings, are called horizontal inlets D. All the above

Description : Pick up the correct statement from the following: A. Inlets are provided on the road surface at the lowest point for draining rain water B. Inlets are generally provided at an interval of ... along straight roads C. Inlets having horizontal openings, are called horizontal inlets D. All the above

Last Answer : ANS: D

Failure of the stability of slopes, generally occurs along (A) Slip plane (B) A horizontal surface (C) A curved surface (D) All the surfaces

Description : Failure of the stability of slopes, generally occurs along (A) Slip plane (B) A horizontal surface (C) A curved surface (D) All the surfaces

Last Answer : Answer: Option C

n which direction does the accelerating force acts? a) Opposite to the motion b) Along the motion c) Perpendicular to motion d) Variable

Description : n which direction does the accelerating force acts? a) Opposite to the motion b) Along the motion c) Perpendicular to motion d) Variable

Last Answer : b) Along the motion

In which direction does the damping force acts? a) Opposite to the motion b) Along the motion c) Perpendicular to motion d) Variable

Description : In which direction does the damping force acts? a) Opposite to the motion b) Along the motion c) Perpendicular to motion d) Variable

Last Answer : a) Opposite to the motion

In the periodic table of elements, on moving from left to right across a period, the atomic radius – (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Description : In the periodic table of elements, on moving from left to right across a period, the atomic radius – (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Last Answer : (1) decreases Explanation: The atomic radius is the distance from the atomic nucleus to the outermost stable electron orbital in an atom that is at equilibrium. It tends to decrease across a period from ... usually increases while going down a group due to the addition of a new energy level (shell).

In the periodic table of elements, on moving from left to right across a period, the atomic radius (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Description : In the periodic table of elements, on moving from left to right across a period, the atomic radius (1) decreases (2) increases (3) remains unchanged (4) does not follow a definite pattern

Last Answer : increases

What is the maximum OCV allowable to initiate an arc when using A. C current? a) 1000V b) 10V c) 90V d) 900V

Description : What is the maximum OCV allowable to initiate an arc when using A. C current? a) 1000V b) 10V c) 90V d) 900V

Last Answer : c) 90V

Which of Newton's laws of motion is demonstrated when a car applies its brakes on an icy surface but the car continues to slide along the surface?

Description : Which of Newton's laws of motion is demonstrated when a car applies its brakes on an icy surface but the car continues to slide along the surface?

Last Answer : Newton's First Law: objects at rest tend to stay at rest,objects in motion tend to stay in motion. When the brakes areapplied, the friction with the road surface is the force that stopsthe car -- on ice, this friction is greatly reduced.

A box is initially at rest on a horizontal, frictionless table. If a force of 10 Newtons acts on the box for 3 seconds, what is the momentum of the box at the end of the 3 second interval?

Description : A box is initially at rest on a horizontal, frictionless table. If a force of 10 Newtons acts on the box for 3 seconds, what is the momentum of the box at the end of the 3 second interval?

Last Answer : ANSWER: 30 NEWTON-SECONDS or 30 KILOGRAM-METER PER SECOND

Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along withComponents : (i) Cristae of mitochondria (ii) Inner membrane of mitochondria (iii) Cytoplasm (iv) Smooth endoplasmic reticulum (v) Rough endoplasmic reticulum (vi) Mitochondrial matrix (vii) Cell vacuole (viii) Nucleus The correct components are: A B C D (a) (v) (iv) (viii) (iii) (b) (i) (iv) (viii) (vi) (c) (vi) (v) (iv) (vii) (d) (v) (i) (iii) (ii)

Description : Identify the components labelled A, B, C and D in the diagram below from the list (i) to (viii) given along with Components : (i) Cristae of mitochondria (ii) Inner membrane of mitochondria (iii) Cytoplasm (iv) Smooth endoplasmic ... viii) (vi) (c) (vi) (v) (iv) (vii) (d) (v) (i) (iii) (ii)

Last Answer : (a) (v) (iv) (viii) (iii)

A block of mass m is pulled along a surface as shown. The coefficient of kinetic friction between the block and the surface is m and the tension in the rope is T. The acceleration of the block is (a) a = T cos q/mg (b) a = T cos q/mgm (c) a = T cos q/m + mmg (d) None of the above

Description : A block of mass m is pulled along a surface as shown. The coefficient of kinetic friction between the block and the surface is m and the tension in the rope is T. The acceleration of the block is (a) a = T cos q/mg (b) a = T cos q/mgm (c) a = T cos q/m + mmg (d) None of the above

Last Answer : Ans:(d)

Surface along which the block of rock slip is called _____? (A) Fault zone (B) Fault Plane (C) Fault scarp (D) None of these

Description : Surface along which the block of rock slip is called _____? (A) Fault zone (B) Fault Plane (C) Fault scarp (D) None of these

Last Answer : (B) Fault Plane 

Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about (A) 1 to 2° (B) 2 to 5° (C) 5 to 10° (D) 10 to 15°

Description : Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about (A) 1 to 2° (B) 2 to 5° (C) 5 to 10° (D) 10 to 15°

Last Answer : (B) 2 to 5°

The operation of resection involves the following steps 1. Rough orientation of the plane table 2. The three lines form a triangle of error 3. Drawing lines back through the three control points 4. Select a point in the triangle of error such that each ray is equally rotated either clockwise or anti clockwise 5. The points obtained by three rays are the correct location. The correct sequence is (A) 1, 3, 2, 4, 5 (B) 1, 2, 3, 4, 5 (C) 1, 4, 3, 2, 5 (D) 1, 3, 2, 4, 5

Description : The operation of resection involves the following steps 1. Rough orientation of the plane table 2. The three lines form a triangle of error 3. Drawing lines back through the three control points 4. Select a point in the triangle of error ... 2, 3, 4, 5 (C) 1, 4, 3, 2, 5 (D) 1, 3, 2, 4, 5

Last Answer : (A) 1, 3, 2, 4, 5

A rectangular surface 3' × 4', has the lower 3 edge horizontal and 6' below a free oil surface (sp. gr. 0.8). The surface inclination is 300 with the horizontal. The force on one side of the surface is (where, y = specific weight of water) (A) 39.6y (B) 48y (C) 49.2y (D) 58y

Description : A rectangular surface 3' × 4', has the lower 3 edge horizontal and 6' below a free oil surface (sp. gr. 0.8). The surface inclination is 300 with the horizontal. The force on one side of the surface is (where, y = specific weight of water) (A) 39.6y (B) 48y (C) 49.2y (D) 58y

Last Answer : (B) 48y

Choose the wrong statement (A) The horizontal component of the hydrostatic force on any surface is equal to the normal force on the vertical projection of the surface (B) The horizontal component acts through the center of pressure for the vertical projection (C) The vertical component of the hydrostatic force on any surface is equal to the weight of the volume of the liquid above the area (D) The vertical component passes through the center of pressure of the volume

Description : Choose the wrong statement (A) The horizontal component of the hydrostatic force on any surface is equal to the normal force on the vertical projection of the surface (B) The horizontal component ... above the area (D) The vertical component passes through the center of pressure of the volume

Last Answer : Answer: Option D

A spring with a force constant of 20 newtons per meter is known to obey Hooke's Law. The spring is attached to a mass of 5 kilograms and placed on a horizontal, frictionless surface. The mass is displaced 3 meters from its equilibrium position and released. What is the kinetic energy of the mass as it passes through its equilibrium position?

Description : A spring with a force constant of 20 newtons per meter is known to obey Hooke's Law. The spring is attached to a mass of 5 kilograms and placed on a horizontal, frictionless surface. The ... and released. What is the kinetic energy of the mass as it passes through its equilibrium position? 

Last Answer : ANSWER: 90 JOULES

A 10 kilogram mass rests on a horizontal frictionless surface. A horizontal force of 5 Newtons is applied to the mass. After the force has been applied for 1 second, the velocity of the mass is: w) 0 meters per second x) 0.5 meters per second y) 5 meters per second z) 50 meters per second

Description : A 10 kilogram mass rests on a horizontal frictionless surface. A horizontal force of 5 Newtons is applied to the mass. After the force has been applied for 1 second, the velocity of the mass is: w) 0 meters per second x) 0.5 meters per second y) 5 meters per second z) 50 meters per second

Last Answer : ANSWER: X -- 0.5 METERS PER SECOND

What are all the modular architecture for OpenStack are: a) OpenStack Compute: For overseeing extensive systems of the virtual machine. b) OpenStack Object Storage: The storage framework that offers help for both object storage and block storage. c) Image Service: The conveyance service gives disclosure and enlistment to virtual disk pictures. d) A & B e) B & C f) All of the above

Description : What are all the modular architecture for OpenStack are: a) OpenStack Compute: For overseeing extensive systems of the virtual machine. b) OpenStack Object Storage: The storage framework that offers help for both object storage ... to virtual disk pictures. d) A & B e) B & C f) All of the above

Last Answer : All of the above

What are all the modular architecture for OpenStack are: a) OpenStack Compute: For overseeing extensive systems of the virtual machine. b) OpenStack Object Storage: The storage framework that offers help for both object storage and block storage. c) Image Service: The conveyance service gives disclosure and enlistment to virtual disk pictures. d) A & B e) B & C f) All of the above

Description : What are all the modular architecture for OpenStack are: a) OpenStack Compute: For overseeing extensive systems of the virtual machine. b) OpenStack Object Storage: The storage framework that offers help for both object storage ... to virtual disk pictures. d) A & B e) B & C f) All of the above

Last Answer : All of the above

Mach number is significant in (A) Supersonics, as with projectiles and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion through two fluids where there is a surface of discontinuity, gravity force, and wave making effects, as with ship's hulls (D) All of the above

Description : Mach number is significant in (A) Supersonics, as with projectiles and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion through ... gravity force, and wave making effects, as with ship's hulls (D) All of the above

Last Answer : Answer: Option A