1.

A disc rolls without slipping and climbs on a rough incline and comes back .During the motion on the incline, friction is : 1) upward during upward journey 2) downward during upward journey 3) Zero 4) Insufficient information

Answer» A disc rolls without slipping and climbs on a rough incline and comes back .During the motion on the incline, friction is : 1) upward during upward journey 2) downward during upward journey 3) Zero 4) Insufficient information


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