How to do Centripetal Force
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How to do Centripetal Force

[From: ] [author: ] [Date: 11-05-20] [Hit: ]
The height of the a merry-go-round is 2.75m. What is the centripetal force?Can someone help me solve this problem?-The height makes no difference.A standard formula for centripetal force is F = mw^2r (w is omega,......
I have this question I have to answer about Centripetal Force...? I don't know how to do it.


A child, who has a mass of 47900g, is sitting 6.20m from the center of a playground merry-go-round that is spinning at 1.25 radians/sec. The height of the a merry-go-round is 2.75m. What is the centripetal force?

Can someone help me solve this problem?

-
The height makes no difference.

A standard formula for centripetal force is F = mw^2r (w is 'omega', angular velocity in rad/s)
You have to get the units right - mass in kg

F = 47.9 x 1.25^2 x 6.20 = 464N

(Another formula you use is F = mv^2 / r if you know the velocity v.)
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