09. Energy
Question Name Average time to answer (seconds) Total correct answers Total incorrect answers
    What is the total work done on the sled?
    What is the work done by the force of gravity on ... ...
    What is the work done by the rope on the sled?
    What is the work done by the normal force on the ... ...
    What is the work done by friction on the sled?
    What are the forces acting on the box?
    What is the work done by the man on the box during ... ...
    What is the magnitude of the cart's momentum at ... ...
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