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step by step plz. A diver stands at rest at the end of a massless diving hoard a

ID: 1987352 • Letter: S

Question

step by step plz.

A diver stands at rest at the end of a massless diving hoard as shown in Figure P8.16. (a) If the mass of the diver is 120 kg and the board is 4.0 m long, what is the torque due to gravity on the diving board with a pivot point at the fixed end of the board? (b) According to our convention for positive and negative torques, is the torque on the diving board positive or negative? Consider again the diver in Figure PS. 16. Assume the diving board now has a mass of 30 kg. Find the total torque due to gravity on the diving board.

Explanation / Answer

a . -120 * 4 = - 480 Nm