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SAT® Subject Test in Physics

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Difficult

Truck in Junkyard

SATPHY-1JE5A3

In a junkyard, a crane with a giant magnet lifts cars. The magnet can apply a maximum force of 40,000 Newtons. A certain truck weighs $25,000\ N$.

What is the maximum rate at which the magnet can accelerate the truck upward while lifting it?

A

$4.28 m/s^{2}$

B

$0.600 m/s^{2}$

C

$1.67 m/s^{2}$

D

$5.88 m/s^{2}$

E

$7.35 m/s^{2}$