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A crane lifts a carton upwards with constant speed.

If gravity and the applied force are the only two forces acting on the carton, what can you say must be true about the weight $mg$ and the applied force $F_A$?

A

$\left| mg \right| < \left| F_A \right|$

B

$\left| mg \right| \le \left| F_A \right|$

C

$\left| mg \right| = \left| F_A \right|$

D

$\left| mg \right| \ge \left| F_A \right|$

E

$\left| mg \right| > \left| F_A \right|$

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