Question

a a If a of body slidy down & up on up on a rough smooth inclined plane calculate acceleration 2 .Velocity 3. time
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Answer 1

Answer:

The force required to move a body up an inclined plane having coefficient of friction μ is given by:

F=mg(sinα+μcosα). So the acceleration of the body will be:

a=F/m=g(sinα+μcosα) which is independent of its mass.

in this case friction acts opposite to the applied force.