An object is said to be in equilibrium ___.

if the body constantly changes its direction of motion

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if the forces are acting on it in one direction only

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only if there is no force acting on it

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if the net force acting on it is zero

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Solution

The correct option is D if the net force acting on it is zero
When the net force acting on a body is zero, it is said to be in equillibrium. This means that the forces acting on it in one direction is equal to the forces acting on it in the opposite direction.

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Similar questions

Q. Choose the correct statement(s):
Statement 1: Unbalanced forces can change the direction of motion of a body.
Statement 2: A balanced force is required to accelerate the body.
Statement 3: An object moves with a uniform velocity when balanced forces are acting on it or if there is no net force acting on it.
Statement 4: Balanced force cannot bring an object at rest to motion.

Q. If there are many forces acting on an object, it must have a non-zero net (unbalanced) force acting on it.

Which of the following statements is/are true?

1. Forces in the same direction add up.

2. Two forces in opposite directions resulting in net force, equal to their difference, in the direction of the larger force.

3. Change in either direction or magnitude of a force changes its effect.

4. When more than one force is acting on an object, the effect on the object is due to the net force acting on it.

It is stated that every action has a equal and and opoosite direction so if a body is at rest and there there is no net externel force acting on it so there are any other force acting on the body like frictional is the force acts when only a body is in motion

Net force acting on a body is zero, if two forces acting on it are:

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An object is said to be in equilibrium ___.

The correct option is D if the net force acting on it is zeroWhen the net force acting on a body is zero, it is said to be in equillibrium. This means that the forces acting on it in one direction is equal to the forces acting on it in the opposite direction.

The correct option is D if the net force acting on it is zero
When the net force acting on a body is zero, it is said to be in equillibrium. This means that the forces acting on it in one direction is equal to the forces acting on it in the opposite direction.