Centripetal Forces Video Lessons

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Problem: A small rock is tied to a light string set it motion in a horizontal circle with constant speed. The string is 8.00 m long and makes a constant angle of 36.9° with the vertical direction. The tension in the string is 6.20 N.What is the radius r of the circular path of the rock?

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Problem Details

A small rock is tied to a light string set it motion in a horizontal circle with constant speed. The string is 8.00 m long and makes a constant angle of 36.9° with the vertical direction. The tension in the string is 6.20 N.

What is the radius r of the circular path of the rock?

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Centripetal Forces concept. You can view video lessons to learn Centripetal Forces. Or if you need more Centripetal Forces practice, you can also practice Centripetal Forces practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Patrick took 1 minute and 10 seconds to solve this problem. You can follow their steps in the video explanation above.