A child whirls a ball in a vertical circle. Assuming the
Chapter 5, Problem 5MCQ(choose chapter or problem)
Problem 5MCQA child whirls a ball in a vertical circle. Assuming the speed of the ball is constant (an approximation), when would the tension in the cord connected to the ball be greatest?
(a) At the top of the circle.
(b) At the bottom of the circle.
(c) A little after the bottom of the circle when the ball is climbing.
(d) A little before the bottom of the circle when the ball is descending quickly.
(e) Nowhere; the cord is stretched the same amount at all points.
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