Question

9. A block A, weighing 100 N, is pulled up a slope of
length 5 m by means of a constant force F (= 100 N)
as illustrated in Fig. 2.15.
19.
5m
3m
20.
Fig. 2.15
21
(a) What is the work done by the force F in
moving the block A, 5 m along the slope ?
(b) What is the increase in potential energy of the
block A?
(c) Account for the difference in the work done by
the force and the increase in potential energy of
the block.​

Answer 1

100m weight is pulled up slope 3mm