SS3 Second Term Physics Lesson Note – Rockets and Satellites

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WEEK SIX

ROCKETS AND SATELLITES

• Rockets and Satellites
• Component part of rockets and satellites
• Functions of rockets and satellites and uses
• Niger-SAT 1- Features, Operation and Uses
• NICOM-SAT 1 – Features, Operation and Uses

Rockets and Satellites

A rocket or rocket vehicle is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engine.

A satellite is an object that goes around or orbits a larger object such as a planet. While there are natural satellites like the moon, hundreds of man-made satellites also orbit the earth.

In all rockets, the exhaust is formed entirely from propellants carried within the rockets before use. Rocket engine works forward simply by throwing their exhaust backwards extremely fast. Rocket engine employs the principle of jet propulsion.

Rocket vehicles are often constructed in the archetypal tall thin rucked shape that takes off vertically but there are usually many different types of rockets including:

1. Tiny models such as balloon rockets, water rockets, sky rockets or small solid rockets
2. Space rocket such as the enormous Saturn V used for the Apollo program
3. Missile rockets
4. Rocket cars
5. Rocket bike
6. Rocket powered aircraft
7. Rocket sleds
8. Rocket trains
9. Rocket torpedoes
10. Rocket powered jet packs
11. Space probes, etc.

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