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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 9 - Rotation > A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The knives are at a distance d from each other. The centre of mass of the rod is at distance x from A. The normal reaction at A and B are

A rod of weight W is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The knives are at a distance d from each other. The centre of mass of the rod is at distance x from A. The normal reaction at A and B are

A ball of mass m moving vertically down collides with inclined surface of the wedge . After the collision wedge starts moving in horizontal direction with velocity v0 . If all the surfaces are smooth then impulse applied by wedge on the ball during collision is given by