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9 terms

Science of Rockets - Section 2-1

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Where and when were rockets first developed?
China in the 1100s
Later rockets were used in wars to deliver this...
Explosives
rocket
A device that expels gas in one direction to move in the opposite direction.
thrust
The reaction force that propels a rocket forward.
velocity
Speed in a given direction
orbital velocity
The velocity a rocket must achieve to establish an orbit around a body in space
escape velocity
The velocity an object must reach to fly beyond a planet's or moon's gravitational pull
Describe how a multistage rocket works
Each stage of the rocket has fuel, as it burns, it separates and falls to earth. It lightens the rocket and it can go further.
What is the main advantage of a multistage rocket?
Total weight of the rocket is greatly reduced as the rocket rises.