2. A trapdoor is constructed into a 20° ramp leading into a castle. The door is a 2 m, 1000 kg stone slab with a 1 m, 500 kg wooden support attached underneath. The slab and support are attached at point P, where the two pivot. The trapdoor is held shut by a sturdy rope attached to the end of the support and parallel to the ramp. You want to use a rope designed to fail when there are at least 10 soldiers weighing an average of 70 kg at an average position of one-third of the way up the slab. (a) What should be the maximum tension the rope can withstand? 16,970 N x10 20°
2. A trapdoor is constructed into a 20° ramp leading into a castle. The door is a 2 m, 1000 kg stone slab with a 1 m, 500 kg wooden support attached underneath. The slab and support are attached at point P, where the two pivot. The trapdoor is held shut by a sturdy rope attached to the end of the support and parallel to the ramp. You want to use a rope designed to fail when there are at least 10 soldiers weighing an average of 70 kg at an average position of one-third of the way up the slab. (a) What should be the maximum tension the rope can withstand? 16,970 N x10 20°
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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Transcribed Image Text:2. A trapdoor is constructed into a 20° ramp leading into a castle. The door is a 2 m,
1000 kg stone slab with a 1 m, 500 kg wooden support attached underneath. The slab
and support are attached at point P, where the two pivot. The trapdoor is held shut
by a sturdy rope attached to the end of the support and parallel to the ramp. You
want to use a rope designed to fail when there are at least 10 soldiers weighing an
average of 70 kg at an average position of one-third of the way up the slab.
(a) What should be the maximum tension the rope can withstand? 16,970 N
x10
20°
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