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September 20, 2014

Homework Help: Physics

Posted by Kirk on Friday, February 8, 2013 at 2:57pm.

An elevator is lifted up by a thick steel cable. While the elevator is moving upwards with a decreasing velocity,
a. the upward force on the elevator by the cable is greater than the downward force of the Earth
b. the amount of upward force due to the cable is equal to the amount of the downwards force due to the Earth
c. the upwards force of the elevator is less than the downwards force of the Earth
d. The Earth pulls less on the elevator while its in motion then when it is at rest

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