A 050-Kg Ball on the End of a Rope Is Moving

question 52

Multiple Choice

A 0.50-kg ball on the end of a rope is moving in a vertical circle of radius 3.0 m near the surface of the Earth where the acceleration due to gravity, g, is 9.8 m/s2. Point A is at the top of the circle; C is at the bottom. Points B and D are exactly halfway between A and C.
-Which one of the following statements concerning the tension in the rope is true?

• A)The tension is smallest at A.
• B)The tension is smallest at C.
• C)The tension is smallest at both B and D.
• D)The tension is the same at A and C.
• E)The tension is the same at A, B, C, and D.

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