Question

e. While dragging or lifting an object,
negative work is done by
(i) the applied force (ii) gravitational
force (iii) frictional force
(iv) reaction force​

Answer 1

Answer :-

• While dragging or lifting an object, negative work is done by gravitational force and frictional force respectively.

Answer 2

Answer:

While dragging or lifting an object, the negative work is done by both (ii) and (iii) frictional and gravitational force, respectively.