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Question
Free body diagram of a brick, sliding down from right to left on a rough slope is
Free body diagram of a brick, sliding down from right to left on a rough slope is
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Solution
The correct option is B
Weight mg has two perpendicular components:
(i) mg cos θ perpendicular to the inclined plane. It balances the normal reaction R. Thus, mg cos θ = R.
(ii) mg sin θ down the inclined plane.
And fk is the kinetic friction.
Weight mg has two perpendicular components:
(i) mg cos θ perpendicular to the inclined plane. It balances the normal reaction R. Thus, mg cos θ = R.
(ii) mg sin θ down the inclined plane.
And fk is the kinetic friction.