Thursday
July 24, 2014

Homework Help: physics

Posted by tyler on Saturday, December 2, 2006 at 1:24pm.

A constant force is applied to an object that causes a certain displacement. If the angle between the between the force and the displacement is 146 deg, then the work done by this force is

A) zero
B) not enough information given
C) positive
D) negative

not sure how this is determined, thanks in advance!

nevermind, it was easy

negative! thanks anyway

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