Two painters stand on a 10.0mlong plank of mass 300 kg. The plank rests on two pillars separated by 6.00m. Danny has a mass of 92.0 kg and stands 3.00m from the left end of the plank and Jerry has a mass of 68.0 kg and stands 1.50m from Danny. Assume that the plank is not nailed to the pillars (the plank only rests on top of pillars). Danny = 92 kg Jerny = 68 kg 3m mass plank = 300 kg 1.5 m 2m 6m 2m Assuming both painters are now off of the plank determine what maximum amount of mass can be placed at the right edge if the plank is not to tip over.

Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
Author:Paul W. Zitzewitz
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Chapter8: Rotational Motion
Section: Chapter Questions
Problem 90A
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Two painters stand on a 10.0mlong plank of mass 300 kg. The plank rests on two
pillars separated by 6.00m. Danny has a mass of 92.0 kg and stands 3.00m from
the left end of the plank and Jerry has a mass of 68.0 kg and stands 1.50m from
Danny. Assume that the plank is not nailed to the pillars (the plank only rests on
top of pillars).
Danny = 92 kg
Jerry = 68 kg
3m
mass plank = 300 kg
1.5 m
2m
6m
2m
Assuming both painters are now off of the plank determine what
maximum amount of mass can be placed at the right edge if the
plank is not to tip over.
Transcribed Image Text:Two painters stand on a 10.0mlong plank of mass 300 kg. The plank rests on two pillars separated by 6.00m. Danny has a mass of 92.0 kg and stands 3.00m from the left end of the plank and Jerry has a mass of 68.0 kg and stands 1.50m from Danny. Assume that the plank is not nailed to the pillars (the plank only rests on top of pillars). Danny = 92 kg Jerry = 68 kg 3m mass plank = 300 kg 1.5 m 2m 6m 2m Assuming both painters are now off of the plank determine what maximum amount of mass can be placed at the right edge if the plank is not to tip over.
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