Circle all of the forces shown acting on a disk of radius gamma(shown to right)

Q: Circle all of the forces shown acting on a disk of radius gamma(shown to right)

Here , as the torque is given as Torque = force * distance * sin(theta) the net torque should be zero torque is zero for F4 and F6 for non zero torque the forces with non zero torque is F1 , F2 , F3 , F5

ID: 1349473 • Letter: C

Question

Circle all of the forces shown acting on a disk of radius gamma(shown to right) which exert a non-zero torque about point theta Cross out all forces which exert a zero torque about point J. (This is a top view of the disk, as seen from above.) If you are having trouble, draw these on a piece of paper and holding it at the pivot point, actually apply the force by pulling and see what happens. For each of forces that exert a non-zero torque, make a drawing showing the moment-arm, r, the force, F, and the tangential component of the force, F_tangential.

Explanation / Answer

Here ,

as the torque is given as

Torque = force * distance * sin(theta)

the net torque should be zero

torque is zero for F4 and F6

for non zero torque

the forces with non zero torque is F1 , F2 , F3 , F5

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Circle all of the forces shown acting on a disk of radius gamma(shown to right)

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Circle all of the forces shown acting on a disk of radius gamma(shown to right)

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