AP® Physics C: Mechanics

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Work Done by a Given Constant Force

APPHMC-YERKID

A constant horizontal $4.0-N$ force acts on a $300$ $g$ cart on a horizontal track as the cart moves through a distance of $43.0$ $cm$. The cart decelerates as a result.

What was the work performed on the cart by the force?

A

$-1.72 J$

B

$-1.27 J$

C

$1.27 J$

D

$1.72 J$

E

None of the above