What is the acceleration a of the center of the hoop

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Reference no: EM13993840

A circular hoop of mass m, radius r, and infinitesimal thickness rolls without slipping down a ramp inclined at an angle θ with the horizontal.

1700_A circular hoop of mass m radius r and infinitesimal thickness rolls.jpg

Part A

What is the acceleration a of the center of the hoop?

Express the acceleration in terms of physical constants and all or some of the quantities m, r, and θ.

Part B

What is the minimum coefficient of (static) friction A??1min needed for the hoop to roll without slipping? Note that it is static and not kinetic friction that is relevant here, since the bottom point on the wheel is not moving relative to the ground (this is the meaning of no slipping).

Express the minimum coefficient of friction in terms of all or some of the given quantities m, r, and θ.

Reference no: EM13993840

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