A man pushed the box with a force of 20 N. The mass of the box doubled, but he still pushed with a force of 20 N.
Which option describes how the acceleration of the box after the mass was doubled?
a) The acceleration is 2x the original acceleration
b) Acceleration is 4x the original acceleration
c) Acceleration is 1/2x the original acceleration
d) Acceleration is 1/4x the original acceleration
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