A cable exerts a constant upward tension of magnitude on a elevator as it rises through a vertical distance of . (a) Find the work done by the tension force on the elevator. (b) Find the work done by the force of gravity on the elevator.
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A 1000kg elevator accelerates upward at 1.0m/s2 for10m, starting from rest.
a) How much work does gravity do on the elevator?
b) How much work does tension in the elevator cable do on theelevator?
c) Use the work-kinetic energy theorem to find the kineticenergy of the elevator as it reaches 10m.
d) What is the speed of the elevator as it reaches 10m?
A 1000 kg elevator accelerates upward at 1.0 m/s2 for 10 m, starting from rest.
b) How much work does tension in the elevator cable do on the elevator?
c) Use the work-kinetic energy theorem to find the kinetic energy of the elevator as it reaches 10 m.
d) What is the speed of the elevator as it reaches 10 m?
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A 1000 kg elevator accelerates upward at 1 m/s2 for 10 m, starting from rest.
a. How much work does gravity do on the elevator? J
b. How much work does the tension in the elevator cable do on the elevator? J
c. Use the work-kinetic energy theorem to find the kinetic energy of the elevator as it reaches 10 m. J
d. What is the speed of the elevator as it reaches 10 m? m/s
