During a step, the force on the hip joint is approximately 2.5 times the weight of the person taking the step. For a single step, the joint slides approximately 30 mm inside the socket. The coefficient of kinetic friction for synovial fluid that lubricates the joint is 0.003. Hint: The recall the mathematical definition of work and assume the force and displacement vectors are along the same axis. For a 60 kg person, what is the absolute value of the work spent during a single step?
During a step, the force on the hip joint is approximately 2.5 times the weight of the person taking the step. For a single step, the joint slides approximately 30 mm inside the socket. The coefficient of kinetic friction for synovial fluid that lubricates the joint is 0.003. Hint: The recall the mathematical definition of work and assume the force and displacement vectors are along the same axis. For a 60 kg person, what is the absolute value of the work spent during a single step?
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter7: Work, Energy, And Energy Resources
Section: Chapter Questions
Problem 8PE: Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 90.0 kg, down a 60.0°...
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During a step, the force on the hip joint is approximately 2.5 times the weight of the person taking the step. For a single step, the joint slides approximately 30 mm inside the socket. The coefficient of kinetic friction for synovial fluid that lubricates the joint is 0.003. Hint: The recall the mathematical definition of work and assume the force and displacement vectors are along the same axis.
For a 60 kg person, what is the absolute value of the work spent during a single step?
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