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Newton's First Law and Equilibrium
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Grade Level
Physics
12.33 Newton's First Law and Equilibrium
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A spacecraft moving north fires two thrusters at the same time: one pushes east with 8 N and one pushes west with 8 N. Ignoring other forces, what happens to its northward velocity?
A
It increases because the thrusters are firing.
B
It remains constant because the east-west thruster forces cancel.
C
It decreases because the thrusters do not point north.
D
It becomes zero because equal forces always stop motion.
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