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Free Online Mock Physics Multiple Choice Test on Rotational Motion

Sub Category : Rotational Motion Test : 2 Time Left :
1)A stone is whirled in a vertical plane. The stone has
(1) radical acceleration only (2) tangential acceleration only (3) both radical and tangential acceleration (4) neither radical nor tangential
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2) The angular velocity of the second hand in a watch is(1)  radspower-1  (2)  radspower-1  (3)  radpowers-1  (4) None of these
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3) A point on the rim of a wheel 4 m in diameter has a velocity of 1600 cmspower-1. The number velocity of the wheel is(1) 2 rad spower-1  (2) 4 rad spower-1  (3) 6 rad spower-1  (4) 8 rad spower-1
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4) What is the acceleration of a point on the rim of a fly wheel 1 m in diameter if it makes 1200 revolution per minute?(1) 8pipower2 mspower-2   (2) 80pipower2ms-2   (3) 800pipower2mspower-2   (4) None of these
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5) Let theta denote the angular displacement of a simple pendulum oscillating in a vertical plane. If the mass of the bob is m, the tension in the string is mg costheta(1) always  (2) never  (3) at the extreme positions  (4) at the mean position
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