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Two people of masses mi (on the left) and m2 (on the right) are balanced on an unmoving see-saw as shown in the picture to the right. The plank they sit on has a mass of M and has its center at the hinge in the middle. The plank is tilted by 20° away from horizontal. The person on the left is rị away from the hinge, the person on the right is r2 away from the hinge. For the see-saw, if the hinge exerts Fn, draw a Free Body Diagram for the plank. For the see-saw, draw a Torque Diagram (as taught in this course) with the hinge as the pivot point. Assume frictional torque is small enough to ignore and leave it off the diagram.

Two people of masses mi (on the left) and m2 (on the right) are balanced on an unmoving see-saw as shown in the picture to the right. The plank they sit on has a mass of M and has its center at the hinge in the middle. The plank is tilted by 20° away from horizontal. The person on the left is rị away from the hinge, the person on the right is r2 away from the hinge. For the see-saw, if the hinge exerts Fn, draw a Free Body Diagram for the plank. For the see-saw, draw a Torque Diagram (as taught in this course) with the hinge as the pivot point. Assume frictional torque is small enough to ignore and leave it off the diagram.

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Two people of masses mi (on the left) and m2 (on the right) are balanced on an unmoving see-saw as shown in the picture to the right. The plank they sit on has a mass of M and has its center at the hinge in the middle. The plank is tilted by 20° away from horizontal. The person on the left is rį away from the hinge, the person on the right is r2 away from the hinge. For the see-saw, if the hinge exerts Fh, draw a Free Body Diagram for the plank. For the see-saw, draw a Torque Diagram (as taught in this course) with the hinge as the pivot point. Assume frictional torque is small enough to ignore and leave it off the diagram.
Transcribed Image Text:Two people of masses mi (on the left) and m2 (on the right) are balanced on an unmoving see-saw as shown in the picture to the right. The plank they sit on has a mass of M and has its center at the hinge in the middle. The plank is tilted by 20° away from horizontal. The person on the left is rį away from the hinge, the person on the right is r2 away from the hinge. For the see-saw, if the hinge exerts Fh, draw a Free Body Diagram for the plank. For the see-saw, draw a Torque Diagram (as taught in this course) with the hinge as the pivot point. Assume frictional torque is small enough to ignore and leave it off the diagram.
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