homogenous block to be in static equilibrium. What will happen to the block if the magnitude of force P went above the maximum? The coefficient of static friction between the block and the floor is 0.30. The weight of the block is 500 lb, indicate the direction of the impending motion. 40° Guide Questions: a. What is the direction of frictional force on the 500 lb block? b. If slipping is impending, can we assume that F = μgN? c. Where is the location of the frictional force on the block if tipping is impending? Answer: Pmax=432.55 lb The block will tip to the right before it slips.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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1. Determine the maximum force P needed for the
homogenous block to be in static equilibrium. What will
happen to the block if the magnitude of force P went
above the maximum? The coefficient of static friction
between the block and the floor is 0.30. The weight of the
block is 500 lb, indicate the direction of the impending
motion.
40°
Guide Questions:
a. What is the direction of frictional force on the 500 lb block?
b. If slipping is impending, can we assume that F = μ,N?
c. Where is the location of the frictional force on the block if tipping is impending?
Answer: Pmax=432.55 lb
The block will tip to the right before it slips.
4 ft
6 ft
Transcribed Image Text:1. Determine the maximum force P needed for the homogenous block to be in static equilibrium. What will happen to the block if the magnitude of force P went above the maximum? The coefficient of static friction between the block and the floor is 0.30. The weight of the block is 500 lb, indicate the direction of the impending motion. 40° Guide Questions: a. What is the direction of frictional force on the 500 lb block? b. If slipping is impending, can we assume that F = μ,N? c. Where is the location of the frictional force on the block if tipping is impending? Answer: Pmax=432.55 lb The block will tip to the right before it slips. 4 ft 6 ft
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