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May 30, 2015

Homework Help: Physics

Posted by Tammy on Wednesday, October 10, 2007 at 2:12pm.

a packing ccrate slides down an incline ramp at constant velocity. Thus we can deduce that
a) a frictional force is acting on it
b) a net downward force is acting on it
c) it may be accelerating
d) it is not acted on by appreciable gravitational force

with a constant velocity isn't there frictional force acting on it so the correct answer would be a)? I do know that d) is wrong.

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