Question

No work is done when

a.
A nail is plugged into a wooden board

b.
A box is pushed along a horizontal floor

c.
There is no component of force perpendicular to the direction of motion

d.
There is no component of force parallel to the direction of motion

I think the answer should be (d) option. Please tell

Answer 1

Answer:

I think you are right the answer is d.

Answer 2

Answer:

d.

There is no component of force parallel to the direction of motion