An object with a mass of #4 kg# is on a plane with an incline of #pi/12 #. If the object is being pushed up the plane with #6 N # of force, what is the net force on the object?

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Answer 1 · 2017-05-06T11:56:28

The net force on the object is #=-4.1N#

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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#

#=6-4*9.8sin(pi/12)#

#=6-10.1#

#=-4.1N#