Question

A body slides down a plane inclined at an angle θ to the horizontal. The coefficient of friction μ down the plane

Answer 1

Explanation:

The energy lost due to friction on an inclined plane is given as

E=F

fric

d

The force due to friction is given as

f

fric

=μ

k

F

N

F

N

=mgcosθ

By substituting the normal force we get

E=μ

k

mgcosθ⋅d

This is the energy lost is lifting up the mass.

Since the mass is sliding down the energy is given as

E=μR

E=μmg

Since the acceleration due to gravity is constant it depends on the coefficient of friction.

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