AP Physics 1mediummcq1 pt
A 0.25 kg puck slides at 6.0 m/s and is stopped by friction in 1.5 s. The average friction force is
A.1.0 N
B.2.5 N
C.9.0 N
D.0.25 N
Explanation
Core Concept
F = Δp/Δt = (0.25)(6.0)/1.5 = 1.0 N.
Correct Answer
A1.0 N
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