Two blocks A and B shown in (Figure 1) have a weight of 9 lb and 6 lb , respectively. They are resting on the incline for which the coefficients of static friction are μA = 0.13 and μB = 0.23. Determine the angle θ which will cause motion of one of the blocks. What is the friction force under each of the blocks when this occurs? The spring has a stiffness of k = 2 lb/ft and is originally unstretched
Two blocks A and B shown in (Figure 1) have a weight of 9 lb and 6 lb , respectively. They are resting on the incline for which the coefficients of static friction are μA = 0.13 and μB = 0.23. Determine the angle θ which will cause motion of one of the blocks. What is the friction force under each of the blocks when this occurs? The spring has a stiffness of k = 2 lb/ft and is originally unstretched
Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN:9781133612315
Author:Jack Erjavec, Rob Thompson
Publisher:Jack Erjavec, Rob Thompson
Chapter3: Basic Theories And Math
Section: Chapter Questions
Problem 16RQ: Weight is the measurement of the earths on an object.
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Question
Two blocks A and B shown in (Figure 1) have a weight of 9 lb and 6 lb , respectively. They are resting on the incline for which the coefficients of static friction are μA = 0.13 and μB = 0.23. Determine the angle θ which will cause motion of one of the blocks. What is the friction force under each of the blocks when this occurs? The spring has a stiffness of k = 2 lb/ft and is originally unstretched.
Part A
Determine the smallest angle θ which will cause motion of one of the blocks.
Express your answer in degrees to three significant figures.
Part B
Determine is the friction force under the block A at this angle.
Express your answer to three significant figures and include the appropriate units.
Part C
Determine is the friction force under the block B at this angle.
Express your answer to three significant figures and include the appropriate units.
![A
k = 2 lb/ft
B](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F161657b3-4bac-46af-a6d9-74cbef8a3df9%2F9a0a828b-823f-4c8f-abac-ae0aeccc219c%2Fn2mggzc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A
k = 2 lb/ft
B
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