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Grade: 10
        A block of mass m slides down an inclined plane of inclination ? with uniform speed. The coefficient of friction between the block and the plane is µ . Find the contact force between the block and the plane.
9 years ago

Answers : (3)

Shankararama Sharma
35 Points

The normal reaction for the block on the plane is mgcos? .

The contact force between them is the friction(f)=µmgcos?

µmgcos? .

9 years ago
Aniket Patra
48 Points

If the speed is to be constant then there shouldn't be no accelaration..The condition is tan(angle of inclination of the inclined plane)=coefficient of friction.

9 years ago
vikas askiitian expert
509 Points

since the block is moving with constant velocity that means net force acting on the body is 0..

friction force(f) = mgsin@       ...............1

           f = u(normal reaction)

            f =uN

        mgsin@ = uN

          N = mgsin@/u    (contact force)

9 years ago
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