Rotational Motion (NEET (NTANational Eligibility cum Medical Entrance Test) Physics): Questions 112  116 of 125
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Question number: 112
» Rotational Motion » Torque
Question
A particle of mass m is moving in a plane along a circle of radius r. Its angular momentum about the axis of rotation is L. What is the centripetal force acting on the particle?
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Question number: 113
» Rotational Motion » Concepts of Rotational Motion
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A solid cylinder of mass M and radius R rolls without slipping down an inclined plane of length l and height h. What is the speed of its centre of mass when the cylinder reaches its bottom?
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Question number: 114
» Rotational Motion » Torque
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The torque of force newton acting at a point is: (Given: position vector of point is meter)
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Question number: 115
» Rotational Motion » Moment of Inertia
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The moment of inertia of uniform rectangular plate about an axis passing through its midpoint and parallel to its length l is, (b = breadth of rectangular plate)
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Question number: 116
» Rotational Motion » Rotational Kinetic Energy
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The moment of a uniform disc about an axis, perpendicular to the disc, at the centre is (M = mass, R = radius of disc). If the disc is rolling on its edge without slipping on a straight line path, the ratio of rotation kinetic energy to translation one is,
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