As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff ideal springs arranged side by side so that they are parallel to each other. When you push the platform, you compress the springs. You do 80.0 J of work when you compress the springs 0.200 m from their uncompressed length. (a) What magnitude of force must you apply to hold the platform in this position? (b) How much additional work must you do to move the platform 0.200 m farther, and what maximum force must you apply?
As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff ideal springs arranged side by side so that they are parallel to each other. When you push the platform, you compress the springs. You do 80.0 J of work when you compress the springs 0.200 m from their uncompressed length. (a) What magnitude of force must you apply to hold the platform in this position? (b) How much additional work must you do to move the platform 0.200 m farther, and what maximum force must you apply?
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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
ideal springs arranged side by side so that they are parallel to each other.
When you push the platform, you compress the springs. You do 80.0 J
of work when you compress the springs 0.200 m from their uncompressed
length. (a) What magnitude of force must you apply to hold the
platform in this position? (b) How much additional work must you do
to move the platform 0.200 m farther, and what maximum force must
you apply?
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