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Newton's second law of motion states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F = ma). During a shuttle's takeoff, the engines generate a significant thrust that exceeds the gravitational force acting on the shuttle, resulting in a net force that causes an increase in acceleration. As the shuttle burns fuel, its mass decreases, allowing for even greater acceleration as the same thrust acts on a lighter object. Thus, both the increase in thrust and the decrease in mass contribute to the shuttle's increasing acceleration during takeoff.

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2mo ago

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