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SAT® Subject Test in Physics

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Moderate

3 Mass Arrangements

SATPHY-M5KUKC

Rank the arrangements of masses given in the table below according the force between masses, greatest first.

The first column in the table tells the mass of one of the objects in each arrangement, the second column gives the mass of the second object, and the third column gives the distance between the centers of the objects.

$m_1$ $m_2$ $r$
Arrangement 1 $M$ $M$ $d$
Arrangement 2 $2M$ $M$ $2d$
Arrangement 3 $3M$ $M$ $2d$
A

1, 2, 3

B

1, 2 and 3 tie

C

1, 3, 2

D

3, 2, 1

E

2 and 3 tie, 1