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    Newton's First Law of Motion

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    A block with mass m has a coefficient of kinetic friction Mk with the floor. If the block is obeying Newton's 1st law while being pushed at angle 0 (theta), show that the power needed to push it at velocity v is given by P=Mkv(mg+fsin0).

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    Solution Preview

    Please see the attached file.

    From Newton's first law that and object will continue moving with a constant velocity unless acted upon by a constant force.

    In this case, the forces acting on the block are ...

    Solution Summary

    Applying Newton;s first law allows us to express the various forces in the system to the power consumed to move the mass. The solution contains 2 pages with diagrams and full derivations.

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