5. A ball of mass m = 0.275 kg swings in a vertical circular path on a string L = 0.850 m long as in the Figure. (a) What are the forces acting on the ball at any point on the path? (b) Draw force diagrams for the ball when it is at the bottom of the circle and when it is at the top. (c) If its speed is 5.20 m/s at the top of the circle, what is the tension in the string there? (d) If the string breaks when its tension exceeds 22.5 N, what is the maximum speed the ball can have at the bottom before that happens?
5. A ball of mass m = 0.275 kg swings in a vertical circular path on a string L = 0.850 m long as in the Figure. (a) What are the forces acting on the ball at any point on the path? (b) Draw force diagrams for the ball when it is at the bottom of the circle and when it is at the top. (c) If its speed is 5.20 m/s at the top of the circle, what is the tension in the string there? (d) If the string breaks when its tension exceeds 22.5 N, what is the maximum speed the ball can have at the bottom before that happens?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
5. A ball of mass m = 0.275 kg swings in a vertical circular path on a
string L = 0.850 m long as in the Figure.
(a) What are the forces acting on the ball at any point on the path?
(b) Draw force diagrams for the ball when it is at the bottom of the
circle and when it is at the top. (c) If its speed is 5.20 m/s at the top of
the circle, what is the tension in the string there?
(d) If the string breaks when its tension exceeds 22.5 N, what is the
maximum speed the ball can have at the bottom before that happens?
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