A cord is wrapped around the rim of a solid uniform wheel .250m in radius and a

Question

A cord is wrapped around the rim of a solid uniform wheel .250m in radius and a mass of 9.20 kg. a steady horizontal pull of 40.0N is excerted on the cord pulling it of tangentially from the wheel. The wheel is mounted on fiction less bearings on a horizontal axis through the center.
(a) Compute the angular accceleratoin of the wheel and the acceleration of the part of the cord that has already been pulled off the wheel.
(b) find the magnitude and direction of the force that the axle exerts on the wheel
(c)Which of the answers in pars A and B would change if the pull were upward instead of horizontal?

Explanation / Answer

for acceleration multiply your angular acceleration by the radius a=34.8 r=.25 so 34.8*.25=8.7m/s

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