Question

b)
An object resting on a floor is dragged, it is displaced in the direction of force applied. What
is the force that causes negative work, when it is dragged through the floor?​

Answer 1

Answer:

Frictional force is the opposite direction, so causes negative work

Answer 2

Answer:

Frictional force.

Explanation:

When force is applied on the object resting on a floor in the direction of force applied then there is a friction between the motionless floor and the dragged object on the floor, and it causes a negetive work which is the "Frictional force".