As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. When you push the platform, you compress the springs. You do an amount of work of 81.0 JJ when you compress the springs a distance of 0.210 mm from their uncompressed length. 1. What magnitude of force must you apply to hold the platform in this position? 2. How much additional work must you do to move the platform a distance 0.210 mm farther? 3. What maximum force must you apply to move the platform to the position in Part B?
As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. When you push the platform, you compress the springs. You do an amount of work of 81.0 JJ when you compress the springs a distance of 0.210 mm from their uncompressed length. 1. What magnitude of force must you apply to hold the platform in this position? 2. How much additional work must you do to move the platform a distance 0.210 mm farther? 3. What maximum force must you apply to move the platform to the position in Part B?
College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter5: Energy
Section: Chapter Questions
Problem 7CQ: As a simple pendulum swings back and forth, the forces acting on the suspended object are the force...
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As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. When you push the platform, you compress the springs. You do an amount of work of 81.0 JJ when you compress the springs a distance of 0.210 mm from their uncompressed length.
1. What magnitude of force must you apply to hold the platform in this position?
2. How much additional work must you do to move the platform a distance 0.210 mm farther?
3. What maximum force must you apply to move the platform to the position in Part B?
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