If an object is in a state of equilibrium, what can be said about all of the forces acting on the object?

If an object is in a state of equilibrium, what can be said about all of the forces acting on the object?
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Answer :

ANSWER: THE SUM OF ALL FORCES ACTING ON THE OBJECT IS ZERO
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For a body to be in equilibrium, which of the following conditions must exist? w) no forces may be acting on the body. x) the body must be accelerating. y) the velocity of the body must be zero. z) the sum of the forces acting on the body must be equal to zero.

Description : For a body to be in equilibrium, which of the following conditions must exist? w) no forces may be acting on the body. x) the body must be accelerating. y) the velocity of the body must be zero. z) the sum of the forces acting on the body must be equal to zero. 

Last Answer : ANSWER: Z -- THE SUM OF THE FORCES ACTING ON THE BODY MUST BE EQUAL TO ZERO.

Object is in equilibrium if resultant force acting on it is A. increasing B. decreasing C. zero D. becomes constant

Description : Object is in equilibrium if resultant force acting on it is A. increasing B. decreasing C. zero D. becomes constant

Last Answer : zero

An object whose velocity is changing is said to be in a state of A. acceleration B. rest C. equilibrium D. Brownian motion

Description : An object whose velocity is changing is said to be in a state of A. acceleration B. rest C. equilibrium D. Brownian motion

Last Answer : acceleration

The necessary condition for the forces acting on a body to be in equilibrium is that these should be a.In the same direction b.Coplaner c.Similar in nature d.Should not meet at a point e.(B) and (D) above

Description : The necessary condition for the forces acting on a body to be in equilibrium is that these should be a.In the same direction b.Coplaner c.Similar in nature d.Should not meet at a point e.(B) and (D) above

Last Answer : e. (B) and (D) above

The statement ---- if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two ---- is known as a.Law of polygon of forces b.D'Alembert's principle c.Newtons law of forces d.Lami's theorem e.Law of triangle of forces

Description : The statement ---- if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two ---- is known as a.Law of polygon of forces b.D'Alembert's principle c.Newtons law of forces d.Lami's theorem e.Law of triangle of forces

Last Answer : d. Lami's theorem

A number of forces acting at a point will be in equilibrium if a.Sum of the forces is zero b.Algebraic sum of the forces is zero c.Sum of the resolved parts in any two perpendicular directions are both zero d.None of the above e.The metacentre of the body

Description : A number of forces acting at a point will be in equilibrium if a.Sum of the forces is zero b.Algebraic sum of the forces is zero c.Sum of the resolved parts in any two perpendicular directions are both zero d.None of the above e.The metacentre of the body

Last Answer : d. None of the above

According to law of triangle of forces (A) Three forces acting at a point will be in equilibrium (B) Three forces acting at a point can be represented by a triangle, each side being proportional to force (C) If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium (D) If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two

Description : According to law of triangle of forces  (A) Three forces acting at a point will be in equilibrium  (B) Three forces acting at a point can be represented by a triangle, each side ... point are in equilibrium, each force is proportional to the sine of  the angle between the other two 

Last Answer : (C) If three forces acting upon a particle are represented in magnitude and direction by the  sides of a triangle, taken in order, they will be in equilibrium

If three forces acting in different planes can be represented by a triangle, these will be in (A) Non-equilibrium (B) Partial equilibrium (C) Full equilibrium (D) None of the above

Description : If three forces acting in different planes can be represented by a triangle, these will be in  (A) Non-equilibrium  (B) Partial equilibrium  (C) Full equilibrium  (D) None of the above 

Last Answer : (A) Non-equilibrium 

Which is the correct statement about law of polygon of forces? (A) If any number of forces acting at a point can be represented by the sides of a polygon taken in order, then the forces are in equilibrium (B) If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon, then the forces are in equilibrium (C) If a polygon representing forces acting at a point is closed then forces are in equilibrium (D) If any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium

Description : Which is the correct statement about law of polygon of forces?  (A) If any number of forces acting at a point can be represented by the sides of a polygon taken  in order, then the ... direction and magnitude by  the sides of a polygon taken in order, then the forces are in equilibrium 

Last Answer : (D) If any number of forces acting at a point can be represented in direction and magnitude by  the sides of a polygon taken in order, then the forces are in equilibrium 

two forces acting at a joint are not along the straight line, then for the equilibrium of the joint (A) One of the forces must be zero (B) Each force must be zero (C) Forces must be equal and of the same sign (D) Forces must be equal in magnitude but opposite in sign

Description : two forces acting at a joint are not along the straight line, then for the equilibrium of the joint (A) One of the forces must be zero (B) Each force must be zero (C) Forces must be equal and of the same sign (D) Forces must be equal in magnitude but opposite in sign

Last Answer : (B) Each force must be zero

If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either (A) Meet in a point (B) Be all parallel (C) At least two of them must meet (D) All the above are correct

Description : If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either (A) Meet in a point (B) Be all parallel (C) At least two of them must meet (D) All the above are correct

Last Answer : (D) All the above are correct

A number of forces acting at a point will be in equilibrium if (A) Their total sum is zero (B) Two resolved parts in two directions at right angles are equal (C) Sum of resolved parts in any two perpendicular directions are both zero (D) All of them are inclined equally

Description : A number of forces acting at a point will be in equilibrium if (A) Their total sum is zero (B) Two resolved parts in two directions at right angles are equal (C) Sum of resolved parts in any two perpendicular directions are both zero (D) All of them are inclined equally

Last Answer : (C) Sum of resolved parts in any two perpendicular directions are both zero

According to Lami's theorem (A) Three forces acting at a point will be in equilibrium (B) Three forces acting at a point can be represented by a triangle, each side being proportional to force (C) If three forces acting upon a particle are represented in magnitude and direction by the sides of a triangle, taken in order, they will be in equilibrium (D) If three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two

Description : According to Lami's theorem (A) Three forces acting at a point will be in equilibrium (B) Three forces acting at a point can be represented by a triangle, each side being proportional to ... point are in equilibrium, each force is proportional to the sine of the angle between the other two

Last Answer : Answer: Option D

A number of forces acting at a point will be in equilibrium if?

Description : A number of forces acting at a point will be in equilibrium if?

Last Answer : The sum of the resolved parts in any two perpendicular directions are both zero

What combination of all the forces acting on an object is?

Description : What combination of all the forces acting on an object is?

Last Answer : that is called the net force; it is a vector sum of all theforces acting on it

When equal forces are acting on one object in opposite directions are called?

Description : When equal forces are acting on one object in opposite directions are called?

Last Answer : Neutral or in equilibrium

What describes unequal forces acting on an object?

Description : What describes unequal forces acting on an object?

Last Answer : If the sum of all forces acting on one object is not exactlyzero, the forces are said to be unbalanced. In that case, theobject will accelerate.

The minimum number of forces to keep a particle in equilibrium is – (1) 1 (2) 2 (3) 3 (4) 4

Description : The minimum number of forces to keep a particle in equilibrium is – (1) 1 (2) 2 (3) 3 (4) 4

Last Answer : (2) 2

The minimum number of forces to keep a particle in equilibrium is (1) 1 (2) 2 (3) 3 (4) 4

Description : The minimum number of forces to keep a particle in equilibrium is (1) 1 (2) 2 (3) 3 (4) 4

Last Answer : 2

If the principle of moments for any object holds, then object is in state of A. inertia B. equilibrium C. suspension D. motion

Description : If the principle of moments for any object holds, then object is in state of A. inertia B. equilibrium C. suspension D. motion

Last Answer : equilibrium

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

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

A force of 15 newtons is acting on an object which has a mass of 3 kilograms. If this is the only force acting on the object, what is the acceleration of the object?

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Last Answer : ANSWER: 5 METERS PER SECOND SQUARED

An impulse of 10 kilogram-meter per second acting on an object whose mass is 5 kilogram will cause a change in the objects velocity of: w) 0.5 meters per second x) 2 meters per second y) 10 meters per second z) 50 meters per second

Description : An impulse of 10 kilogram-meter per second acting on an object whose mass is 5 kilogram will cause a change in the objects velocity of: w) 0.5 meters per second x) 2 meters per second y) 10 meters per second z) 50 meters per second

Last Answer : ANSWER: X -- 2 METERS PER SECOND

An object is in static equilibrium when it is _____. (1) at rest (2) moving in a circular path (3) moving with uniform velocity (4) accelerating at high speed

Description : An object is in static equilibrium when it is _____. (1) at rest (2) moving in a circular path (3) moving with uniform velocity (4) accelerating at high speed

Last Answer : (1) at rest Explanation: When forces acting on an object which is at rest are balanced, the object is said to be in a state of static equilibrium. The resultant of these forces equals zero.

An object is in static equilibrium when it is _______. (1) at rest (2) moving in a circular path (3) moving with uniform velocity (4) accelerating at high speed

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Last Answer : (1) at rest

Object moving along a circular path is A. in equilibrium B. not in equilibrium C. not moving with constant speed D. in random motion

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Last Answer : not in equilibrium

An object in equilibrium always has zero: w) velocity x) momentum y) mass z) acceleration.

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Last Answer : ANSWER: Z -- ACCELERATION

Due to energy dissipation by viscous forces in air, if simple harmonic variations of a pendulum die away after some time, then oscillation is said to be: A. undamped B. free C. damped D. dependent

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Last Answer : damped

Which statement is true regarding the opposing forces acting on an aeroplane in steady-state level flight? a. Thrust is greater than drag and weight and lift are equal b. These forces are equal c. Thrust is greater than drag and lift is greater than weight d. Thrust is slightly greater than lift, but the drag and weight are equal

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Last Answer : b. These forces are equal

Buoyant force is (A) Resultant force acting on a floating body (B) Equal to the volume of liquid displaced (C) Force necessary to keep a body in equilibrium (D) The resultant force on a body due to the fluid surrounding it

Description : Buoyant force is (A) Resultant force acting on a floating body (B) Equal to the volume of liquid displaced (C) Force necessary to keep a body in equilibrium (D) The resultant force on a body due to the fluid surrounding it

Last Answer : Answer: Option D

Buoyant force is (A) The resultant force acting on a floating body (B) The resultant force on a body due to the fluid surrounding it (C) Equal to the volume of liquid displaced (D) The force necessary to maintain equilibrium of a submerged body

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Can the sentence “The analysis of the soils forces acting on...” be revised as “The analysis of the soils forces acting on..”?

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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 side of the polygon taken in opposite order ---- is known as a.Law of triangle of forces b.Newton's law of forces c.Law of polygon of forces d.D'Alembert's rule e.Lami's theorem

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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 particles-is known as a.Corollary to Newton's laws of motion b.Principle of dynamics c.D' Alembert's principle d.Nowton's law e.Mohr's principle

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Last Answer : c. are known as coplaner-concurrent forces.

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