Question

37. An object of mass m slides down a hill of height h of
arbitrary shape and after travelling a certain horizontal
path stops because of friction. The friction coefficient is
different for different segments for the entire path but is
independent of the velocity and direction of motion. The
work that a force must perform to return the object to its
initial position along the same path is :
(a) mgh
(b) 2 mgh
(c) 4 mgh
(d) - mgh​

Answer 1

Answer:

Explanation:use conservation of energy concept.

So answer is mgh

......I guess

Answer 2

Answer is attached below!

Thank you!