An object with a mass of #8 kg# is on a plane with an incline of #pi/8 #. If the object is being pushed up the plane with # 3 N # of force, what is the net force on the object?

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Answer 1 · 2017-05-05T13:29:31

The net force is #=-27N#

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Taking the direction up and parallel to the plane as positive #↗^+#

Let the force pushing the object be #=F N#

Then the net force on the object is

#=F-Wsintheta#

#=F-mgsintheta#

#=3-8*9.8sin(pi/8)#

#=9-30#

#=-27N#