Combined effect of several forces is known as
A. net force
B. resultant force
C. normal force
D. weight
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
Description : Two forces of 6 and 8 kg act at right angles to each other, the resultant force will be a.100 b.28 c.41 d.14 e.10
Last Answer : e. 10
Description : Two forces, F1 and F2, each of magnitude 5 N are inclined to each other at 60°. Find the magnitude and direction of their resultant force.
Last Answer : Two forces, F1 and F2, each of magnitude 5 N are inclined to each other at 60°. Find the magnitude and direction of their resultant force.
Description : The product of either force of couple with the arm of the couple is called (A) Resultant couple (B) Moment of the forces (C) Resulting couple (D) Moment of the couple
Last Answer : (D) Moment of the couple
Description : The center of pressure of a surface subjected to fluid pressure is the point (A) On the surface at which resultant pressure acts (B) On the surface at which gravitational force acts (C) At which all hydraulic forces meet (D) Similar to metacentre
Last Answer : Answer: Option A
Description : Pair of forces that cause steering wheel of a car to rotate is called A. couple B. friction C. normal force D. weight
Last Answer : couple
Description : If weight of a falling tennis ball is 1.0 N and drag force acting on it is 0.2 N then resultant force is A. 0.8 N B. 0.5 N C. 1 N D. 2 N
Last Answer : 0.8 N
Description : A car is running on a road at a uniform speed of 60 km/hr. What is the net resultant force on the car?
Last Answer : Equal to zero
Description : The statement --- if forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order then their resultant will be represented in magnitude and direction by the closing ... 's law of forces c.Law of polygon of forces d.D'Alembert's rule e.Lami's theorem
Last Answer : c. Law of polygon of forces
Description : The statement the resultant of the external forces applied to a body (rigid or non-rigid) composed of a system of particles is equivalent to the vector summation of the effective forces acting on all ... motion b.Principle of dynamics c.D' Alembert's principle d.Nowton's law e.Mohr's principle
Last Answer : c. D' Alembert's principle
Description : The return on capital employed shows the combined effect of– (A) net profit ratio and inventory turnover ratio (B) operating ratio and net profit ratio (C) net profit ratio and capital turnover ratio (D) gross profit ratio and capital turnover ratio
Last Answer : Answer: operating ratio and net profit ratio
Description : The angle of friction is a.The angle which frictional force makes with the normal b.The anle at which the force applied from external souce will cause movement c.The angle at which fictional ... the normal reaction and the resultant of normal reaction and the limiting friction e.None of the above
Last Answer : d. The angle between the normal reaction and the resultant of normal reaction and the limiting friction
Description : Coefficient of friction is the (A) Angle between normal reaction and the resultant of normal reaction and the limiting friction (B) Ratio of limiting friction and normal reaction (C) The ... body is just about to move (D) The friction force acting when the body is in motion
Last Answer : (B) Ratio of limiting friction and normal reaction
Description : Kinetic friction is the (A) Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction (B) Ratio of limiting friction and normal reaction (C) The friction force ... body is just about to move (D) The friction force acting when the body is in motion
Last Answer : (D) The friction force acting when the body is in motion
Description : Limiting force of friction is the (A) Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction (B) Ratio of limiting friction and normal reaction (C) The friction ... body is just about to move (D) The friction force acting when the body is in motion
Last Answer : (C) The friction force acting when the body is just about to move
Description : Angle of friction is the (A) Angle between normal reaction and the resultant of normal reaction and the limiting friction (B) Ratio of limiting friction and normal reaction (C) The ratio of minimum ... (D) The ratio of minimum friction force to friction force acting when the body is in motion
Last Answer : (A) Angle between normal reaction and the resultant of normal reaction and the limiting friction
Description : Acceleration of a rocket having mass 5000 kg and resultant force acting on it is 200,000 N is A. 50 m s-2 B. 56 m s-2 C. 70 m s-2 D. 40 m s-2
Last Answer : . 40 m s-2
Description : Resultant force acting on object and rate of change of linear momentum are A. inversely related B. not related at all C. directly related D. directly proportional
Last Answer : directly related
Description : Object is in equilibrium if resultant force acting on it is A. increasing B. decreasing C. zero D. becomes constant
Last Answer : zero
Description : If the resultant force acting on a body of constant mass is zero, the body's acceleration is: w) increasing x) decreasing y) always zero z) negative.
Last Answer : ANSWER: Y -- ALWAYS ZERO
Description : If the resultant force acting on a body of constant mass is zero, the body's momentum is: w) increasing x) decreasing y) always zero z) constant
Last Answer : ANSWER: Z -- CONSTANT
Description : When two forces acting at a point are such that if the direction of one is reversed, the direction of the resultant is turned through a right angle, the forces must be a.inclined at more than 90? b.inclined at less than 90? c.equal in magnitude d.acting at 180? e.107 dynes
Last Answer : c. equal in magnitude
Description : When two concurrent and coplaner forces P and Q act at an angle of 180?, their resultant will be a a.moment equal to PQ b.couple c.(P-Q) d.107 dynes e.zero
Last Answer : c. (P-Q)
Description : In case forces of 1 N, 2 N, 3 N, 4 N, 5 N and 6 N act in order along the sides of a regular hexagon, the resultant will be a.21 N b.107 dynes c.2 N d.6 N e.
Last Answer : d. 6 N
Description : The centre of percussions is a.The point of application of the resultant of all the forces tending to cause a body to rotate about a central axis b.The point of application of the resultant ... .The point in a body about which it can rotate horizontally and oscillates under the influence of gravity
Last Answer : a. The point of application of the resultant of all the forces tending to cause a body to rotate about a central axis
Description : The resultant of coplaner parallel forces is found by load line diagram, while the position is found by a.link polygen b.funicular polygon c.string polygon d.any of the above e.107 dynes
Last Answer : d. any of the above
Description : The resultant of two forces of 3 N and 4 N is 5 N, the angle between the forces is
Last Answer : The resultant of two forces of 3 N and 4 N is 5 N, the angle between the forces is (A) 30° (B) 60° (C) 90° (D) 120°
Description : The resultant of two forces 10 N and 15 N acting along + x and – x-axes respectively, is
Last Answer : The resultant of two forces 10 N and 15 N acting along + x and - x-axes respectively, is (A) 25 N along ... along + x-axis (D) 5 N along - x-axis
Description : The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of (A) Forces (B) Independence of forces (C) Dependence of forces (D) Resolution of forces
Last Answer : (D) Resolution of forces
Description : Center of percussion is (A) The point of C.G. (B) The point of metacentre (C) The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis (D) Point of suspension
Last Answer : (C) The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
Description : According to principle of moments (A) If a system of coplanar forces is in equilibrium, then their algebraic sum is zero (B) If a system of coplanar forces is in equilibrium, then the ... of their resultant about the same point (D) Positive and negative couples can be balanced
Last Answer : (C) The algebraic sum of the moments of any two forces about any point is equal to moment of their resultant about the same point
Description : The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to
Last Answer : The resolved part of the resultant of two forces inclined at an angle 9 in a given direction is equal to the algebraic sum of the resolved parts of the forces in the given direction.
Description : If two equal forces of magnitude P act at an angle 9°, their resultant will be
Last Answer : If two equal forces of magnitude P act at an angle 9°, their resultant will be IP cos 9/2.
Description : It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because – (1) weights of buckets are balanced (2) centre of gravity falls within the body (3) centre of gravity and centre of equilibrium fall within the feet (4) resultant weight of buckets is zero
Last Answer : (3) centre of gravity and centre of equilibrium fall within the feet Explanation: When the buckets containing equal amount of water are held in both hands, weight is spaced out more evenly than it ... centre of gravity and the centre of equilibrium should fall, in the present case, within the feet.
Description : It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because (1) weights of buckets are balanced (2) centre of gravity falls within the body (3) centre of gravity and centre of equilibrium fall within the feet (4) resultant weight of buckets is zero
Last Answer : centre of gravity and centre of equilibrium fall within the feet
Description : How do you calculate net force when the forces are in the opposite direction?
Last Answer : You subtract the smaller force from the larger one.
Description : What is th calculate net force for forces in the same direction?
Last Answer : If two or more forces act on the same object, and in the samedirection, you can calculate the net force by simply addingthem.
Description : In order to keep a body moving in a circle, there exists a force on it that is directed toward the center of the circle. This force is known asA. Centrifugal force B. Centripetal force C. Gravitational Force D. magnetic force
Last Answer : Centripetal force
Description : The following statement about lithium is not correct: A. It has a sedative action in normal individuals B. It controls mania, but takes 1-2 weeks to produce the effect C. ... recurrent unipolar depression D. It can be combined with tricyclic antidepressants for refractory cases of major depression
Last Answer : A. It has a sedative action in normal individuals
Description : In severe winter, in cold countries water pipes burst because – (1) Water expands on freezing (2) Contraction of water pipes (3) High atmospheric pressure (4) Combined effect of all the above three
Last Answer : (1) Water expands on freezing Explanation: Most liquids have a quite simple behavior when they are cooled (at a fixed pressure): they shrink. The liquid contract as it is cooled; ... substance solidifies, which causes it to contract some more because crystalline solids are usually tightly packed.
Description : Atomic power plant works on the principle of – (1) Fission (2) Fusion (3) Thermal combustion (4) Combined effect of all the above three
Last Answer : (1) Fission Explanation: A nuclear power plant is a facility at which energy released by the fissioning of atoms is converted to electrical energy under strictly regulated operating conditions. The major ... power plants except that the coal or oil fired boiler is replaced by a nuclear reactor.
Description : Atomic power plant works on the principle of (1) fission (2) fusion (3) thermal combustion (4) combined effect of all the above three
Last Answer : fission
Description : In severe winter, in cold countries water pipes burst because (1) water expands on freezing (2) contraction of water pipes (3) high atmospheric pressure (4) combined effect of all the above three
Last Answer : water expands on freezing
Description : What is the highest tier Dragon Ball antagonist, that you humans could hope to defeat with your combined forces?
Last Answer : The Red Ribbon army we could take. King Piccolo would be too much for us.
Description : Consider the following forces: (w) Force due to tension along a string, (x) Normal force given by a surface, (y)
Last Answer : Consider the following forces: (w) Force due to tension along a string, (x) Normal force given by a surface, (y ... C) Only x, y and z (D) All four.
Description : Nintendo owns two of the most popular gaming franchises ever. The net worth of these 2 franchises equals the combined total of the remaining eight franchises in the top 10. What are they? -Gaming
Last Answer : NEED ANSWER
Description : According to principle of transmissiblity of forces, when a force acts upon a body, its effect is a.maximum when it acts at C.G. of the body b.minimum when it acts at C.G. of the body c.different at different points of the body d.107 dynes e.same at every point in its line of action
Last Answer : e. same at every point in its line of action
Description : According to the principle of transmissibility of forces, when a force acts upon a body ; its effect is a.Minimum when it acts at C.G. of the body b.Maximum when it acts at C.G. of the body c.Different at different points of body d.Same at every point in its line of action e.None of the above
Last Answer : d. Same at every point in its line of action
Description : According to force-field theory, every behaviour is the result of equilibrium between which of the following ? (A) Push and pull effect (B) Strong and weak forces (C) Positive and negative forces (D) Driving and restraining forces
Last Answer : Answer: Driving and restraining forces