- Classical Mechanics
A block of mass m is released from rest at a height R above
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A block of mass m is released from rest at a height R above a horizontal surface.
The acceleration due to gravity is g. The block slides along the inside of a frictionless circular hoop of radius R.
A.Which expression would give the speed of the block at the bottom of the hoop and why?
B. What is the magnitude of the normal force exerted on the block by the hoop when the block has reached the bottom?
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From position 1 to 2, potential energy has changed into kinetic energy.
Position 1: Potential energy = mgR
Position 2 (bottom of hoop): Kinetic ...
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