M R F Suppose you are hanging out in your childhood tree house, which has a trapdoor with a weight on top of it. Your friend climbs up to the tree house and exerts a force F directly upwards at a distance R from the pivot. What is the closest distance from the pivot that you can place a weight of mass M to keep your friend out of the tree house?

M R F Suppose you are hanging out in your childhood tree house, which has a trapdoor with a weight on top of it. Your friend climbs up to the tree house and exerts a force F directly upwards at a distance R from the pivot. What is the closest distance from the pivot that you can place a weight of mass M to keep your friend out of the tree house?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

M
R
Suppose you are hanging out in your childhood tree house, which has a
trapdoor with a weight on top of it. Your friend climbs up to the tree house and
exerts a force F directly upwards at a distance R from the pivot. What is the
closest distance from the pivot that you can place a weight of mass M to keep
your friend out of the tree house?
Assume the trapdoor is massless and the weight can be modeled as a point.
Pick the correct answer
FR
Mg
MG
R
Mg
FR
Fg
MR
F
2

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