AP® Physics C: Mechanics

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Moderate

Three Frictionless Trolleys

APPHMC-FXYIA2

Three frictionless trolleys are being pulled by a toy engine. The trailing trolley has mass $3 kg$. The middle trolley has mass $2 kg$. The leading trolley has mass $1 kg$.

If the pulling force is $F = 6 N$, how much tension $T$ exists in the portion connecting the $3 kg$ and the $2 kg$ trolleys?

A

$0 \ N$

B

$1 \ N$

C

$2 \ N$

D

$3 \ N$

E

$6 \ N$