Suppose a 1300 -kg elevator car is lifted a distance 41 m by its cable at a
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Question:
Suppose a1300-kg elevator car is lifted a distance41m by its cable at a constant speed, assuming the frictional force on the elevator has a constant value of1250N.
(a) Calculate the work done on the elevator by its cable, in joules.
(b) Calculate the work done by the gravitational force on the elevator, in joules, during this process.
(c) Calculate the total work done on the elevator, in joules.
Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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