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Systems of Particles and Rotational Motion — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsSystems of Particles and Rotational Motion1 Mark
Question
Read statement below carefully, and state, with reasons, if it is true or false: A wheel moving down a perfectly frictionless inclined plane will undergo slipping (not rolling) motion.
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Answer

True.Explanation:
The rolling of a body occurs when a frictional force acts between the body and the surface. This frictional force provides the torque necessary for rolling. In the absence of a frictional force, the body slips from the inclined plane under the effect of its own weight.

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