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Classical Mechanics Level 2

A red block is pressed against a frictionless blue wall as shown. Is it possible to keep the block in an equilibrium position?

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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

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including olympiad champions, researchers, and professionals.

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by Dinesh Nath Goswami

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