3. Consider a 5-kg ball being spun around at the end of a string in vertical circle. At the top of the circle, the speed of the ball around the circumference is 4 m/s. The circle has a radius of 1 m. (a) Draw a free body diagram of this situation when the ball is at the top of the arc. (b) How does the direction of the velocity vector compare to the direction of the change in position for circular motion? (c) What is the work done on the ball by the tension force?
3. Consider a 5-kg ball being spun around at the end of a string in vertical circle. At the top of the circle, the speed of the ball around the circumference is 4 m/s. The circle has a radius of 1 m. (a) Draw a free body diagram of this situation when the ball is at the top of the arc. (b) How does the direction of the velocity vector compare to the direction of the change in position for circular motion? (c) What is the work done on the ball by the tension force?
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Transcribed Image Text:3. Consider a 5-kg ball being spun around at the end of a string in vertical circle. At the top of the circle,
the speed of the ball around the circumference is 4 m/s. The circle has a radius of 1 m.
(a) Draw a free body diagram of this situation when the ball is at the top of the arc.
(b) How does the direction of the velocity vector compare to the direction of the change in position
for circular motion?
(c) What is the work done on the ball by the tension force?
I
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