May 29, 2016

Homework Help: Physics

Posted by Phil on Tuesday, March 15, 2011 at 1:56pm.

Can someone please help me?
The brakes of a truck cause it to slow down by applying a retarding force of 2.60 103 N to the truck over a distance of 930 m. What is the magnitude of the work done by this force on the truck?
Is the work positive or negative?
Explain Why?

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