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The crate weight W = 100 N and the coefficient of static friction at the surface is ? = 0.30. A force P is applied at an angle ? from the horizontal surface. A) Determine the value of ? to obtain the smallest possible value of P so that the crate is on the verge of moving. B) Determine the smallest value of P. C) Determine the normal reaction between the crate and the horizontal floor.

The crate weight W = 100 N and the coefficient of static friction at the surface is ? = 0.30. A force P is applied at an angle ? from the horizontal surface. A) Determine the value of ? to obtain the smallest possible value of P so that the crate is on the verge of moving. B) Determine the smallest value of P. C) Determine the normal reaction between the crate and the horizontal floor.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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1) The crate weight W = 100 N and the coefficient of static

friction at the surface is ? = 0.30. A force P is applied at an

angle ? from the horizontal surface.

A) Determine the value of ? to obtain the smallest possible

value of P so that the crate is on the verge of moving.

B) Determine the smallest value of P.

C) Determine the normal reaction between the crate and

the horizontal floor.

 

Use method of joints or method of sections as much as possible

1) The crate weight W = 100 N and the coefficient of static friction at the surface is u = 0.30. A force P is applied at an angle 0 from the horizontal surface. 100 N A) Determine the value of 0 to obtain the smallest possible value of P so that the crate is on the verge of moving. B) Determine the smallest value of P. C) Determine the normal reaction between the crate and the horizontal floor.
Transcribed Image Text:1) The crate weight W = 100 N and the coefficient of static friction at the surface is u = 0.30. A force P is applied at an angle 0 from the horizontal surface. 100 N A) Determine the value of 0 to obtain the smallest possible value of P so that the crate is on the verge of moving. B) Determine the smallest value of P. C) Determine the normal reaction between the crate and the horizontal floor.
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