Sunday, February 7, 2010

A woman pulls a crate up a rough inclined plane at constant speed. Which statement is false?

A) The work done on the crate by the normal force of the plane is zero.


B) The woman does positive work in pulling the crate up the incline.


C) The work done on the object by gravity is zero.


D) The gravitational potential energy of the crate is increasing.


A woman pulls a crate up a rough inclined plane at constant speed. Which statement is false?
E) A Woman ACTUALLY pulling a Crate!
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