A rocket experiences a constant force even as the amount of fuel in its fuel tanks decreases. What happens to the acceleration o
2 answers:
We can answer this question by looking at Newton's second law:
which can be rewritten as
where F is the force experienced by the rocket, m is its mass, a is its acceleration. In the rocket's case, the mass of the rocket decreases (because the fuel in the tank decreases), while the force remains constant, so the ratio F/m increases, and therefore the acceleration of the rocket increases.
Therefore, the correct answer is
D - The acceleration increases because the mass decreases.
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