Question

Suppose a 1450-kg elevator car is lifted a distance 45 m by its cable at a constant speed, assuming the frictional force on the elevator has a constant value of 1375 N. 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.

Name: suppose a 1450 kg elevator car is lifted a distance 45 m by its cable at a constant speed assuming the frictional force on the elevator has a constant value of 1375 n a calculate the work do 84538
Uploaded: 2023-03-08T18:45:49-08:00
Duration: 1 min 21 s
Channel: Timothy James
Description: suppose a 1450 kg elevator car is lifted a distance 45 m by its cable at a constant speed assuming the frictional force on the elevator has a constant value of 1375 n a calculate the work do 84538

          Suppose a 1450-kg elevator car is lifted a
distance 45 m by its cable at a constant speed, assuming
the frictional force on the elevator has a constant value
of 1375 N.
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.

Added by Carla P.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Timothy James

03/08/2023

Step 1

The work done by the cable is given by the formula: $W_{cable} = F_{cable} \cdot d \cdot \cos{\theta}$, where $F_{cable}$ is the force exerted by the cable, $d$ is the distance the elevator is lifted, and $\theta$ is the angle between the force and the Show more…

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Suppose a 1450-kg elevator car is lifted a distance 45 m by its cable at a constant speed, assuming the frictional force on the elevator has a constant value of 1375 N. 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.