science

A flywheel makes 120 rpm. Find the angular speed of any point on the wheel and linear speed of a point is 10 cm from the center of the wheel.

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  1. a. Va = 120rev/min. * 6.28rad/rev * 1min./60s = 12.56 rad/s.

    b. C = pi*2r = 3.14 * 20cm = 62.8 cm = 0.628 m.= Circumference.

    V = 120rev/min * 0.628m/rev * 1min/60s = 1.256 m/s.

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