A Small Object of Mass M, on the End of a Light

question 48

Multiple Choice

A small object of mass m, on the end of a light cord, is held horizontally at a distance r from a fixed support as shown.The object is then released.What is the tension in the cord when the object is at the lowest point of its swing?

• A)mg/2
• B)mg
• C)2 mg
• D)3 mg
• E)mgr

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Definitions:

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