Block is attached to end of relaxed spring, then released."“ m Positive x is downward.
Block is attached to end of relaxed spring, then released."“ m Positive x is downward.
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 7.78P: The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016,...
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Question
Calculate the work done on the block by the spring as the block falls an arbitrary distance x (Express your answer in terms of the variables alpha, m, x, and the acceleration due to gravity g, if needed) W_spring?
Calculate the work done on the block by any other forces as the block falls an arbitrary distance (Express your answer in terms of the variables alpha, m, x, and the acceleration due to gravity g, if needed) W_other?
Find the x-component of the net force that acts on the block when it is at x2. (Express your answer in terms of the variable m and the acceleration due to gravity g)
![Block is attached
to end of relaxed
spring, then released."
m
Positive x is
downward.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F657333d9-7155-4d97-b095-343954a3aa81%2Fef00b0ec-9a66-4249-bea9-c6f76332c118%2F8bfpa2m_processed.png&w=3840&q=75)
Transcribed Image Text:Block is attached
to end of relaxed
spring, then released."
m
Positive x is
downward.
![Consider a hanging spring of negligible mass that
does not obey Hooke's law. When the spring is pulled
downward by a distance a, the spring exerts an upward
force of magnitude ax, where a is a positive constant.
Initially the hanging spring is relaxed (not extended). We
then attach a block of mass m to the spring and release
the block. The block stretches the spring as it falls
(Figure 1). alow i the
bleek moving when it kas](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F657333d9-7155-4d97-b095-343954a3aa81%2Fef00b0ec-9a66-4249-bea9-c6f76332c118%2F2tp5xk8_processed.png&w=3840&q=75)
Transcribed Image Text:Consider a hanging spring of negligible mass that
does not obey Hooke's law. When the spring is pulled
downward by a distance a, the spring exerts an upward
force of magnitude ax, where a is a positive constant.
Initially the hanging spring is relaxed (not extended). We
then attach a block of mass m to the spring and release
the block. The block stretches the spring as it falls
(Figure 1). alow i the
bleek moving when it kas
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