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A mouse is initially at rest on a horizontal turntable mounted on a frictionless vertical axle. If the mouse begins to walk clockwise around the perimeter of the table, what happens to the turntable? Explain using Newton's Laws.

A uniform capillary tube, colsed at one end, contained air which is trapped by a thread of mercury 85mm long. When the tube was held horizontally, the length of the air column was 50mm. When it was held vertically with the closed end downwards, the length was 45mm. Find the atmospheric pressure in...

A body is projected vertically up with a velocity 'u', show that the entire time of ascent is equal to the time of descent. find also the maximum height reach?

a person get tired when he stand for 2-3 hours holding a briefcase as he do not cover any distance

a man of mass 80 kg is standing on a compression balance which is fixed in a lift. find the reading on the balance, when 1. the lift is moving upwards in a uniform velocity