The seesaw in Figure P8.28 is 4.5 m long. Its mass of 20 kg is uniformly distributed.
Question:
The seesaw in Figure P8.28 is 4.5 m long. Its mass of 20 kg is uniformly distributed. The child on the left end has a mass of 14 kg and is a distance of 1.4 m from the pivot point while a second child of mass 30 kg stands a distance L from the pivot point, keeping the seesaw at rest.?
(a) Is the seesaw in rotational equilibrium??
(b) Make a sketch showing all the forces on the seesaw. Be sure to show where each force acts.?
(c) Express the conditions for translational and rotational equilibrium for the seesaw.?
(d) Solve to find L, the location of the child on the right.
Figure P8.28
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Step by Step Answer:
Apply the concepts of center of mass rotational equilibrium and translational equilibrium a The prob...View the full answer
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Related Book For 
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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