8. A block of mass m is stationary on a horizontal surface.
It is connected with a string which has no tension. The
coefficient of friction between the block and surface
is m. Then, the frictional force between the block and
surface is:
(a) zero
(b) umg
(d) none of these
c) mg
Answers
Answered by
4
zero
Explanation:
frictional force acts only when there is relative. velocity
Answered by
0
Answer:
the answer is zero
no relative motion then the friction is equal to the external force applied.
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