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peg 30° A uniform ladder is 10m long and weighs 400 N. It rests with its upper end against a frictionless vertical wall. Its lower end rests on the ground and is prevented from slipping by a peg driven into the ground. The ladder makes a 30? angle with the horizontal. The magnitude of the force exerted on the peg by the ladder is: A. zero B. 200N C. 400N D. 470N E. 670N

peg 30° A uniform ladder is 10m long and weighs 400 N. It rests with its upper end against a frictionless vertical wall. Its lower end rests on the ground and is prevented from slipping by a peg driven into the ground. The ladder makes a 30? angle with the horizontal. The magnitude of the force exerted on the peg by the ladder is: A. zero B. 200N C. 400N D. 470N E. 670N

College Physics
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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peg 30°
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A uniform ladder is 10m long and weighs 400 N. It rests with its upper end against a frictionless vertical wall. Its lower end rests on the ground and is prevented from slipping by a peg driven into the ground. The ladder makes a 30? angle with the horizontal. The magnitude of the force exerted on the peg by the ladder is: A. zero B. 200N C. 400N D. 470N E. 670N
Transcribed Image Text:A uniform ladder is 10m long and weighs 400 N. It rests with its upper end against a frictionless vertical wall. Its lower end rests on the ground and is prevented from slipping by a peg driven into the ground. The ladder makes a 30? angle with the horizontal. The magnitude of the force exerted on the peg by the ladder is: A. zero B. 200N C. 400N D. 470N E. 670N
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