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TLHS Phy Sci Unit 10

Rockets

TermDefinition
Nose Cone minimizes air resistance
Recovery System Increases air resistance to decrease damage upon landing
Parachute Recovery System for heavy rockets
Streamer Recovery System for light weight & high performance rockets
Body Tube Frame for attaching all parts
Launch Lug Guides rocket until it reaches the necessary speed for fins to control flight
Fins Guide rocket in precise flight pattern, can be 3 - 5
Engine Provides power & thrust (demonstrates all Newton's Laws)
Engine Block Keeps engine from sliding into the body tube (with engine demonstrates Newton's 3rd law)
Recovery Wadding Protects Recovery System from heat of the engine
Center of Mass Place on the body tube where all mass is perfectly balanced;
Control Systems Keep rocket stable during flight; two types - active and passive
Payload (weight) amount of mass the engine is expected to move (with engine demonstrates Newton's 2nd Law)
Flight Sequence 6 stages of flight
Drag force pushing down on nose of rocket while it is in flight
Thrust force pushing up on tail of rocket
Newton's 1st Law Object will keep doing what it already doing unless acted upon by an unbalanced force
Newton's 2nd Law Greater the mass of an object, the greater the unbalanced force needed to move it.
Newton's 3rd Law For every action there is an equal and opposite reaction