Lessons

Eamcet Physics
1 st Year : Unit 3.3( Laws of Motion ) - Horizontal Plane

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Q.

A grinding machine whose wheel has a radius of  is rotating a 2.5 rev/sec. A tool to be sharpened is held against the wheel with a force of 40N. If the coefficient of friction between the tool and wheel is 0.2, power required is

View Answer

Correct choice: A

Explanation:

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