A ladder leans against a wall as shown below. A hammer is placed on one of the rungs (you can assume the hammer is pointlike). The ladder feels a force of friction from the ground, but there is no friction between the ladder and the wall. (a) Choose the following values. None of them can be 0. The length of the ladder =15 m The mass of the ladder = 10kg The inclination of the ladder= 30  The height of the hammer. = 10m The mass of the hammer.= 5kg

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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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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A ladder leans against a wall as shown below. A hammer is placed on one of the rungs (you can assume the hammer is pointlike). The ladder feels a force of friction from the ground, but there is no friction between the ladder and the wall.

(a) Choose the following values. None of them can be 0.

  • The length of the ladder =15 m

  • The mass of the ladder = 10kg

  • The inclination of the ladder= 30 

  • The height of the hammer. = 10m

  • The mass of the hammer.= 5kg

    (b) Draw the ladder.
    (c) Draw all forces acting on the ladder.
    (d) Set origin and axes.
    (e) Write the force balance on the ladder, both in x and y.
    (f) Write the torque balance on the ladder.
    (g) Determine the coefficient of friction between the ground and the ladder. 

    Do all problems a-g
ladder
wall
ground
Transcribed Image Text:ladder wall ground
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