Statement I: The value of dynamic friction is less than the limiting friction.
Statement II: Once the motion has started, the inertia of rest has been overcome.
In the light of the above statements, choose the most appropriate answer from the options given below
Text Solution
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Both Statement I and Statement II are correct.
Once the bodies are in motion, the irregularly do not get time enough to interlock, hence motion continues with lesser friction. Also, the force exerted initially
(i) accelerates the body
(ii) overcomes friction only function
(iii) is relevant for a moving body, so apparent force is reduced.
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