Tension problem for ball on string in circle radius - NEED HELP

AI Thread Summary
The discussion focuses on calculating the tension in a string when a ball is whirled in a vertical circle with a radius of 1.50m at a constant speed of 6.50 m/s. Participants emphasize the importance of understanding the forces acting on the ball, specifically the tension force from the string and the gravitational force acting downward. A free body diagram is suggested as a useful tool to visualize these forces. The tension will vary depending on the ball's position in the circle, being different at the top and bottom of the path. Clarifying these concepts is essential for solving the problem accurately.
tatsalez
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Homework Statement



A person whirls a ball and string in a vertical circle of radius 1.50m. The ball travels at a constant speed of 6.50 m/s around the circular path; its mass is 55.0g. What is the tension in the string at (a) the bottom and (b) the top.

Homework Equations





The Attempt at a Solution



I was thinking a free body diagram but no idea how to start it. And what would it look like.

Can anyone give me a good start, or a detailed layout of how you worked the problem.

Thank you,
Matt
 
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tatsalez said:

Homework Statement



A person whirls a ball and string in a vertical circle of radius 1.50m. The ball travels at a constant speed of 6.50 m/s around the circular path; its mass is 55.0g. What is the tension in the string at (a) the bottom and (b) the top.

Homework Equations



The Attempt at a Solution



I was thinking a free body diagram but no idea how to start it. And what would it look like.

Can anyone give me a good start, or a detailed layout of how you worked the problem.

Thank you,
Matt

If it is describing circular motion vertically, what forces are acting on it from gravity and from the string?
 
It would be Ftension pointing upwards, and Mg ( mass x gravity ) pointing downwards. Is that correct?
 
tatsalez said:
It would be Ftension pointing upwards, and Mg ( mass x gravity ) pointing downwards. Is that correct?

What is the source of the tension as a result of its circular motion?
 

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