MCAT Question of the Day
    •

    Q:

    		 An individual pushes a 1kg apple 2 meters along a surface with friction. Which of the following holds true:
    		 

    A

    		 the force of pushing is nonconservative.

    B

    		 potential energy at the end of the experiment is nonzero.

    C

    		 work must be performed against gravitational forces.

    D

    		 work performed is less in this experiment than if the surface were frictionless.



    Energy & Work |
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