12) A rocket of mass (3000 kg) exerts a force of N 5000 on its engine to move as in the adjacent figure. a) Calculate the horizontal acceleration of the rocket. b) If the force exerted by the missile doubles, calculate the acceleration of the missile in this case. c) Reasons: Newton's first law is known as the law of inertia.

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: