A driver stands at rest at teh end of a massiess diving board as shown. (a) If t

Question

A driver stands at rest at teh end of a massiess diving board as shown.

(a) If the mass of the diver is 94 kg and the board is 4.5 m long, what is the magniturde of the torque dueto gravity on e diving board with a pivot point at the fixed end of the board?  N.m

(b) According to our convention for positive and negative torques, is the torque on the diving board positive or negative ?

A diver stands at rest at the end of a massless diving board as shown. If the mass of the diver is 94 kg and the board is 4.5 m long, what is the magnitude of the torque due to gravity on the diving board with a pivot point at the fixed end of the board? N.m According to our convention for positive and negative torques, is the torque on the diving board positive or negative? Positive Negative

Explanation / Answer

a).

94 *9.81*4.5=4149 NM

b.

It is clockwise so negative

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