Question

An object of mass M = 649 g is pushed at a constant speed up a frictionless inclined surface which forms an angle θ = 50o with the horizontal. What is the magnitude of the force that is exerted by the inclined surface on the object?

Answers

from what direction is the force acting?
The force is parallel to the horizontal(ground) and is drawn as going into the plane of the inclined surface.

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