6. Intro to Forces (Dynamics)
Newton's First & Second Laws
Multiple Choice
Multiple ChoiceAn elevator is going up at a constant speed in a very tall building. Assume the only forces acting on the elevator are a downward weight force and the force of a cable pulling the elevator up. Ignore air resistance and friction. How does the magnitude of the weight force compare to the magnitude of the force of the cable?
A
The force of the cable is greater than the weight.
B
The force of the cable is less than the weight.
C
There is not enough information to answer this question.
D
The force of the cable is equal to the weight.
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