Problem: A merry-go-round accelerates from rest to 0.69 rad/s in 25 s .Assuming the merry-go-round is a uniform disk of radius 7.1 m and mass 32000 kg , calculate the net torque required to accelerate it.

FREE Expert Solution

This problem involves torque and acceleration.

Torque equations: 

τ=αI where I is the moment of inertia.

Moment of inertia of a disk:

I=12MR2 where R is the radius of the disk.

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Problem Details

A merry-go-round accelerates from rest to 0.69 rad/s in 25 s .

Assuming the merry-go-round is a uniform disk of radius 7.1 m and mass 32000 kg , calculate the net torque required to accelerate it.

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