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# An object of mass 0.4 kg is whirled in a horizontal circle of radius 2m.If it performs 60 revolutions 1/min, calculate the centripetal force acting on it.

Asked by Shanmuga Priya 29th September 2013, 6:13 PM
Answered by Expert
Answer:
m = 0.4 kg, r = 2 m, f = 60 rpm
Thus, angular speed is

Now, centripetal force is given as
Thus, substituting the values, we get
Answered by Expert 30th September 2013, 9:46 AM
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