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SAT® Subject Test in Physics

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Girl Power

SATPHY-CTLM9K

A girl applies horizontal forces to push different boxes across a horizontal floor. The following tables provide information about the amount of force applied by the girl, the mass of the box, and the speed of the box for five different boxes the girl pushed.

In which situation did the girl display the most power, while moving a box?

A
Force Applied by Girl to Box Mass of Box Speed of Box
50 N 25 kg 0.5 m/s
B
Force Applied by Girl to Box Mass of Box Speed of Box
40 N 30 kg 1.0 m/s
C
Force Applied by Girl to Box Mass of Box Speed of Box
100 N 100 kg 0.25 m/s
D
Force Applied by Girl to Box Mass of Box Speed of Box
30 N 80 kg 1.0 m/s
E
Force Applied by Girl to Box Mass of Box Speed of Box
20 N 150 kg 1.0 m/s