Difference between projectile motion and a rocket motion, Mechanical Engineering

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Difference between projectile motion and a rocket motion?

Ans) A projectile has no motor or rocket on it, so all of its momentum is given to it as it is opened. An example of a projectile would be pen that you throw through a room.

A rocket or missile does have a motor/rocket on it so it can accelerate itself whereas moving and so resist other forces like gravity.

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