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March 26, 2017

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The flywheel of an engine has a moment of inertia of 24 kg*m^2.
a) if the radius of the wheel is 0.6m, what force is required to accelerate the wheel from rest to an angular velocity of 300 rpm in 6 seconds?
b) how many turns does it make during this time?

  • physics - ,

    (a) compute the angular acceleration required in rad.s^2. Call it alpha

    Torque = (moment of inertia)* (alpha)
    = force * radius

    Solve for force

    (b) avg. rpm * (1 min/60s)* 6s
    = 15 revolutions

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