Handle a broken forearm

In an emergency situation, a person with a broken forearm ties a strap from his hand to clip on his shoulder . His 1.60-kg forearm remains in a horizontal position and the strap makes an angle of theta = 50.0° with the horizontal. Assume the forearm is uniform, has a length of l = 0.320 m, assume the biceps muscle is relaxed, and ignore the mass and length of the hand.

Find the tension in the strap. Answer is in Newton

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