195kgball to make the ball revolve in a horizontal

195kgball to make the ball revolve in a horizontal

Estimate the force a person must exert on a string attached to a 0.195kgball to make the ball revolve in a horizontal circle.The ball makes 2.50 revolutions per second (T= 0.400s). Don’t ignore the weight of the ball which revolves on a string 0.620mlong.
In particular, find the magnitude of F⃗ T. [Hint: Set the horizontal component of F⃗ T equal to maR; also, since there is no vertical motion, what can you say about the vertical component of F⃗ T?]
Find the angle F⃗ T makes with the horizontal.Express your answer with the appropriate units.

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