Question
What is the centripetal force of an object undergoing uniform circular motion when its radius is doubled and its speed remains constant?
Answers
F₁=mv²/R₁
F₂=mv²/R₂=mv²/2R₁=F₁/2
F₂=mv²/R₂=mv²/2R₁=F₁/2
half as great as before
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