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Inclined planes and circular motion — Question 6

Original QCE Vault practice · 1 mark

Q6 · Practice questionComplex familiar1 mark

QUESTION 6

A 0.45 kg0.45\,\text{kg} object moves at 4.2 m s−14.2\,\text{m s}^{-1} in a horizontal circle of radius 0.75 m0.75\,\text{m}. What net inward force is required?
(A)
2.52 N2.52\,\text{N}
(B)
5.29 N5.29\,\text{N}
(C)
10.6 N10.6\,\text{N}
(D)
14.1 N14.1\,\text{N}
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