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Physics 22 Online
OpenStudy (anonymous):

A 4000 kg truck is parked on a 15˚ slope. How big is the friction force on the truck? The coefficient of static friction between the tires and the road is 0.90.

OpenStudy (anonymous):

The answer is 10000 N

OpenStudy (anonymous):

|dw:1441558783042:dw|First job is to determine the normal force, \(F_N\). Can you do that?

OpenStudy (anonymous):

@ospreytriple yes, it is 39200 N

OpenStudy (anonymous):

Sorry, that's not it. You must resolve \(F_g\) into its components perpendicular and parallel to the incline.|dw:1441559811875:dw|The normal force is equal in magnitude and opposite in direction to \(F_{g,x'}\).

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