The following are problems involving force.

1) A boy pushes on a box of mass kg and it moves at an acceleration of m/s^{2}. With what force does the boy push on the box? N

2) A 17,250 kg rocket is pushed with a thrust of N. What is the acceleration of the rocket? m/s^{2}

3) If a force of 3000 N can move a crate at an acceleration of m/s^{2}, what is the mass of the object? kg

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