AP Physics 1mediummcq1 pt
A 2 kg object moves in a circle of radius 4 m at a constant speed of 6 m/s. What is the centripetal force?
A.9 N
B.18 N
C.36 N
D.3 N
Explanation
Core Concept
Centripetal force = mv²/r = 2(6²)/4 = 2(36)/4 = 18 N.
Correct Answer
B18 N
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