AP Physics 1mediummcq1 pt
A 10 kg box on level ground has μ_s = 0.40 and μ_k = 0.25 (g = 10 m/s²). A horizontal 50 N push is applied. Its acceleration is
A.2.5 m/s²
B.1.0 m/s²
C.5.0 m/s²
D.0 m/s²
Explanation
Core Concept
It slides: a = (F − μ_kN)/m = (50 − 25)/10 = 2.5 m/s².
Correct Answer
A2.5 m/s²
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