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A simple pendulum consists of a 4.0 kg point mass hanging at the end of a 5.0 m long light string that is connected to a pivot point.
Calculate the magnitude of the torque (due to the force of gravity) around this pivot point when the string makes a 45º angle with the vertical. The acceleration of gravity is 9.81 m/s 2.
Your Answer should be in units of Nm.
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