Mechanical Energy & Work Quiz (AON) - AP Physics 1
1. As shown below, a 10 kg sled on a horizontal surface has four
forces (F3, FN, Ff, T) acting on it. The sled is initially moving to
the right at 5 m/s and then moves 2 m to the right.
a) Explain why the normal force does no work on the sled.
b) Calculate the final velocity of the 10 kg sled.
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