Question

31. A cylinder of mass m and radius R is rolling on
plane horizontal surface. Work done by force of
friction, if centre is displaced by x, is
mgx
(1) mgx
(2) mgx
3
M
-mgx
(4) Zero​

Answer 1

Answer:

4

Explanation:

Zero

No work will be done by friction force .

Answer 2

Answer:

Ans option 4 is correct .

the work done by frictional force will be zero.

Explanation:

Since the motion is pure rolling therefore frictional force will no play any role.