7
practice examMultiple Choice

Practice Exam

Question 7 • Physics

In the equation for centripetal force, which expression represents the centripetal acceleration of the object?

Answer
A
m over r
B
m v squared
C
the fraction with numerator m v squared and denominator r
D
the fraction with numerator v squared and denominator r

Explanation

Centripetal force is given by F = ma, and for circular motion F = mv²/r. Comparing these expressions, the centripetal acceleration is v²/r, which is choice D.

AI-written and checked against the verified answer.

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