Question

4.When the force is applied on an object but the object does not move, what does it mean.?

Answer 1

If a force is applied but the object doesn't move, no work is done; if a force is applied and the object moves a distance d in a direction other than the direction of the force, less work is done than if the object moves a distance d in the direction of the applied force

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Answer 2

The force is applied to an object but the object does not move:

• If a body does not move despite the application of force, the net force and kinetic energy are both zero.
• Force F=ma, where m represents mass and an is acceleration, is well-known.
• Because the body is at rest, a and hence force are both zero.
• KE=mv^2/2 kinetic energy

• v is the velocity, which is zero in this case.
• As a result, kinetic energy is zero.