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Physics 9 Online
OpenStudy (anonymous):

What is the minimum thrust a m = 2.0 x 10^5 kg rocket have to rise straight up? Please explain.

OpenStudy (jamesj):

Thrust is a force. What force is acting on the rocket with no thrust? Gravity, the weight of the rocket. How much of a force must you exert in the opposite direction of gravity to overcome gravity? At least as much as the weight of the rocket.

OpenStudy (anonymous):

Thanks so much!

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