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

question 49

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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