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# If the huge beetle has a mass of 8.0 kg, find his centripetal acceleration ac. D) What is the average centripetal force Fc on the beetle?

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- husoskiLv 71 month ago
The centripetal acceleration for circular motion at a constant speed v and radius r is:

a = v^2 / r

The mass isn't used for that. You'll need to find the speed and radius in the problem to get a value for that acceleration.

The force needed to produce that acceleration is given by Newton's 2nd law:

F = ma

Once you know the acceleration (in m/s^2 units), multiply by m=8 kg to get force in newtons.

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