a. What magnitude of force must the worker apply to move the crate at constant velocity?
b. How much work is done on the crate by this force when the crate is pushed a distance of 4.5 meters?
c. How much work is done on the crate by the normal force? By gravity?
d. What is the total work on the crate?
This question was asked on May 05, 2011.
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