Question

A 0.30-kg mass attached to the end of a string swings in a vertical circle (R = 1.6 m), as…

A 0.30-kg mass attached to the end of a string swings in a vertical circle (R = 1.6 m), as
shown. At an instant when ? = 50°, the tension in the string is 8.0 N. What is the
magnitude of the resultant force on the mass at this instant?

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