An object with a mass of #5 kg# is on a plane with an incline of #pi/8 #. If the object is being pushed up the plane with # 18 N # of force, what is the net force on the object?

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Answer 1 · 2017-07-24T08:53:20

The net force is #=0.8N# acting down the plane

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Resolving in the direction parallel to the plane #↗^+#

The force is #F=18N#

The component of the weight is #=-mgsintheta#

Therefore the net force is

Net #F= 18-5*9.8*sin(1/8pi)#

#=18-18.8=-0.8N#