AP Physics 1easymcq1 pt
A 2.0 kg object swings in a circle of radius 0.80 m at 4.0 m/s. The centripetal force is
A.40 N
B.20 N
C.10 N
D.80 N
Explanation
Core Concept
F = mv²/r = (2.0)(16)/0.80 = 40 N.
Correct Answer
A40 N
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