Assertion (A): A body kept on an inclined plane will just begin to slide when the angle of inclination (0) of the plane to the horizontal acquires the value 0 = tan-1 = coefficient of static friction between the body and the plane.) Reason (R) : The force of friction is a self adjusting force that can increase, with increase in applied force, upto a certain maximum, or limiting value.
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Both assertion and reason are correct and the reason is the correct explanation for the assertion.
Option (b) is correct.
Explanation:
- If the angle of inclination is equal to the angle of friction then the body would slide down on an inclined plane.
- When both angles such as angle of inclination and friction are equal a significant change takes place.
- The component of weight overcomes the force of friction.
- Thus both assertion and reason are true.
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