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Two blocks A and B, each having a mass of 5.5 kg , are connected by pins using the linkages shown. A B 01 02 The coefficient of static friction between Block A and the floor is uA= 0.21. The coefficient of static friction between Block B and the floor is µB= 0.44. The angles given are 01 = 45 degrees 02 = 28 degrees Neglect the weight of the links. i. Draw the Free Body Diagrams for pin C, Block A, and Block B. ii. Applied force P on pin C is gradually raised. Which block starts slipping first and what is the value of P when slippage starts occurring? Hint: It helps to establish two cases, one in which block A slips and one in which block B slips, and then calculate what occurs in each case in order to determine what happens.

Two blocks A and B, each having a mass of 5.5 kg , are connected by pins using the linkages shown. A B 01 02 The coefficient of static friction between Block A and the floor is uA= 0.21. The coefficient of static friction between Block B and the floor is µB= 0.44. The angles given are 01 = 45 degrees 02 = 28 degrees Neglect the weight of the links. i. Draw the Free Body Diagrams for pin C, Block A, and Block B. ii. Applied force P on pin C is gradually raised. Which block starts slipping first and what is the value of P when slippage starts occurring? Hint: It helps to establish two cases, one in which block A slips and one in which block B slips, and then calculate what occurs in each case in order to determine what happens.

International Edition---engineering Mechanics: Statics, 4th Edition
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.63P: The leather rein used to fasten the horse to the hitching rail weighs 3.5 oz per foot. The...
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Two blocks A and B, each having a mass of 5.5 kg , are connected by pins using the linkages shown. A В 0, 02 The coefficient of static friction between Block A and the floor is u A= 0.21. The coefficient of static friction between Block B and the floor is µB= 0.44. The angles given are 01 = 45 degrees 02 = 28 degrees Neglect the weight of the links. i. Draw the Free Body Diagrams for pin C, Block A, and Block B. ii. Applied force P on pin C is gradually raised. Which block starts slipping first and what is the value of P when slippage starts occurring? Hint: It helps to establish two cases, one in which block A slips and one in which block B slips, and then calculate what occurs in each case in order to determine what happens. Part A - Part A Draw the Free Body Diagram for link C. Note that for this problem we are looking at the starting location of the vectors. Draw the vectors starting at the gold dot at point C. The location of the starting point as well as the orientation of your vectors will be graded. The length will not.
Transcribed Image Text:Two blocks A and B, each having a mass of 5.5 kg , are connected by pins using the linkages shown. A В 0, 02 The coefficient of static friction between Block A and the floor is u A= 0.21. The coefficient of static friction between Block B and the floor is µB= 0.44. The angles given are 01 = 45 degrees 02 = 28 degrees Neglect the weight of the links. i. Draw the Free Body Diagrams for pin C, Block A, and Block B. ii. Applied force P on pin C is gradually raised. Which block starts slipping first and what is the value of P when slippage starts occurring? Hint: It helps to establish two cases, one in which block A slips and one in which block B slips, and then calculate what occurs in each case in order to determine what happens. Part A - Part A Draw the Free Body Diagram for link C. Note that for this problem we are looking at the starting location of the vectors. Draw the vectors starting at the gold dot at point C. The location of the starting point as well as the orientation of your vectors will be graded. The length will not.
Part B - Part B Draw the Free Body Diagram for Block A. Note that for this problem we are looking at the ending location of the vectors. Have the weight force vector end at the centroid of the block. Draw the vectors ending at the gold dots on block A. The location of the ending point as well as the orientation of your vectors will be graded. The length will not. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes. Submit Request Answer Part C - Part C Draw the Free Body Diagram for Block B. Note that for this problem we are looking at the ending location of the vectors.Have the weight force vector end at the centroid of the block. Draw the vectors ending at the gold dots on block B. The location of the ending point as well as the orientation of your vectors will be graded. The length will not. No elements selected
Transcribed Image Text:Part B - Part B Draw the Free Body Diagram for Block A. Note that for this problem we are looking at the ending location of the vectors. Have the weight force vector end at the centroid of the block. Draw the vectors ending at the gold dots on block A. The location of the ending point as well as the orientation of your vectors will be graded. The length will not. No elements selected Select the elements from the list and add them to the canvas setting the appropriate attributes. Submit Request Answer Part C - Part C Draw the Free Body Diagram for Block B. Note that for this problem we are looking at the ending location of the vectors.Have the weight force vector end at the centroid of the block. Draw the vectors ending at the gold dots on block B. The location of the ending point as well as the orientation of your vectors will be graded. The length will not. No elements selected
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