A 242N force is required to keep an object that weighs 6.6N moving along a circular...

Question

Question

A 242N force is required to keep an object that weighs 6.6N moving along a circular path with a diameter of 10.5m, How fast is the object traveling?

Answer 1

Answer #1

In order to keep any object moving along a circular path it is necessary to supply a centripetal acceleration, wich is defined as:

This acceleration is related to the force the causes it by Newton's 2nd Law of motion:

I we combine this two:

Taking into account that the radius is half of the diameter. On the other hand, the weight of an object is defined as:

So our final expression for velocity turns out to be:

Answer 2

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