Question

A book of mass M rests on a long
table with a piece of paper of
mass m=0.1M in between. The
coefficient of friction between all
surfaces is M = 0.1. The paper is
pulled with horizontal force P.
(a) What is the minimum value of
P required to cause any motion?
(b) With what force must the paper
be pulled in order to extract it
from between the book and the
table?​

Answer 1

Answer:

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