IIT JEE 2007 Practice : PHYSICS

A small cubical block is held stationary against a rough wall by applying a force F at the center of the face opposite to the wall as shown. Then (a) frictional force f is mg. (b) normal force N by the wall is equal to F. (c) normal force does not apply any torque on the block. (d) force F does not apply any torque on the block.

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IIT JEE 2007 Practice : PHYSICS - Multiple Answers