The angular velocity (in rad/s) of a body rotating at N r.p.m. is
A
πN/60
B
2πN/60
C
πN/120
D
πN/180
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Updated on : 2022-09-05
Solution
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Correct option is B)
Angular velocity is defined as the rate of change of angular displacement with respect to time. It is usually expressed by a Greek letter (omega).
Mathematically, angular velocity is ω=dθ/dt If a body is rotating at the rate of N r.p.m. (revolutions per minute), then its angular velocity, ω=602πNrad/s
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