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A child's toy has a solid plastic disc of radius 10cm that can be rotated about its center. Child A applies a force of 30N
A child's toy has a solid plastic disc of radius 10cm that can be rotated about its center. Child A applies a force of 30N tangent to the edge of the disc to cause it to rotate counter clockwise. Child B also applies a force of 20N tangent to the edge of the disc to cause it to counter clockwise. The net torque applied to the disc causes an angular acceleration of 8.33radlsh2. a) What is the moment of inertia of the solid plastic disc? (answer: 0.6kgmt'2) b) What is the mass of the solid plastic disc? (answer: 120kg)
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