Balance the Ball

Classical Mechanics Level 3

A ball is held up by a string, as shown in the figure above with the string tangent to the ball. If the angle between the string and the wall is \(\theta\), what is the minimum coefficient of static friction between the ball and the wall, if the ball is not to fall?

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Balance the Ball

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Community

100 Day Summer Challenge

Balance the Ball

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations, examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.