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A 1,000 kg box is dropped from a bridge and is accelerating at 10 m/s/s. Using the formula force (N) = mass (kg) × acceleration (m/s/s), determine what force is acting on the box.

A 10,000 N

To solve this, multiply the 1,000 kg box by the acceleration of 10 m/s/s to get 10,000 N (or kg × m/s/s).