Question

A 0.2-kg stone is attached to a string and swung in a circle of radius 0.6 m on a horizontal and frictionless surface. If the stone makes 150 revolutions per minute, the tension force of the string on the stone is:
A) 0.03 N
B) 0.2 N
C) 0.75 N
D) 1.96 N
E) 30 N

Answer

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