Rotational MotionMedium
Question
A person supports a book between finger and thumb as shown (the point of grip is assumed to be at the corner of the book). If the book has a weight of W then the person is producing a torque on the book of
Options
A.W 
anticlockwise
anticlockwiseB.W 
anticlockwise
anticlockwiseC.Wa anticlockwise
D.Wa clockwise
Solution
∴ Book does not rotate so for rotational equilibrium the net torque becomes zero.
∴
∴
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