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Rolling Motion Free Doubts and Solutions

A roller is made by joining together two cones at their vertices O. It is kept on two rails AB and CD which are placed asymmetrically (see figure), with its axis perpendicular to CD and its centre O at the centre of line joining AB and CD (see figure). It is given a light push so that it starts rolling with its centre O moving parallel to CD in the direction shown. As it moves, the roller will tend to move right,       WHy(explain)?

Asked by Vineeth K 5th April 2016, 9:40 AM

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A child rolls down a bowling ball of 6 kg down the alley without slipping at a linear speed of 5m/s. Considering the moment of inertia as 1.5 x 10-2 kg m2 and radius as 0.23 m. Find the total energy.

Asked by Topperlearning User 14th August 2014, 10:32 AM

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Radius of gyration is a constant quantity.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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Find the coefficient of friction of a solid cylinder which rolls without slipping down an inclined plane with .

Asked by Topperlearning User 4th June 2014, 1:23 PM

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What is the relation between K.E. of a body and the moment of inertia when L is constant?

Asked by Topperlearning User 4th June 2014, 1:23 PM

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Calculate the kinetic energy of a disc of mass 4kg and radius 40 cm rolling at 10 m/s.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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What is the analogue for K.E. for rotational motion?

Asked by Topperlearning User 4th June 2014, 1:23 PM

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There are two inclines on which two identical spheres A and B are made to roll and slide without rolling respectively. Which one will reach the bottom first?(Considering that the low of conservation of energy can be applied to this situation)

Asked by Topperlearning User 4th June 2014, 1:23 PM

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The length of the second hand of a clock is 7 cm. Find the speed of the tip of the hand.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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The speed of a flywheel changes from 120 rpm to 300 rpm. Calculate moment of inertia of flywheel. If an energy of 500 J is spent in increasing its speed.

Asked by Topperlearning User 4th June 2014, 1:23 PM

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What percentage of total mechanical energy is translational when a spherical ball is rolled without sliding?

Asked by Topperlearning User 4th June 2014, 1:23 PM