Rockets Flashcards
(45 cards)
The Russian rocket pioneer who launched the first satellite, animal, and man into space?
Sergei Korolev
Who made the first liquid fueled rockets in the modern era?
Dr. Robert Goddard
Which of Newton’s laws state, for every action the always an opposite and equal reaction?
Newton’s 3rd Law
The name of the first satellite was?
Sputnik
The formula for Newton’s second laws states?
Force=mass x acceleration
Which law states objects at rest remain at rest and objects in motion remain in motion unless acted on an unbalanced force?
Newton’s 1st Law
Newton’s 1st Laws is also known as?
Inertia
Which part stabilizes the lower half of a rocket?
Fins
Air drag is defined as?
Friction caused by the air
The very top of the rocket is called a?
Nose cone
Two objects are rolling down the same hill, object A weighs 50 kg and object B weighs 30 kg. Which object will reach the bottom first? Why?
Object A because it has more mass.
A system that has sections of the rocket fall off after all of it’s fuel is burned is known as?
Staging
Firing multiple engines at once is called?
Clustering
STS stands for what regarding the space shuttle?
Space Transportation System
What are the two types of rocket fuel commonly used today?
solids and liquids
Why are solid rockets more dangerous then liquid rockets?
Once started solid rockets can not be stopped until all the fuel is burned.
Werner Von Braun started his rocket career in which country?
Germany
Why did NASA stop painting the shuttle’s external fuel tank after STS-1?
The paint provided no additional protection and added too much weight.
We sanded the bottle to help?
The hot glue stick to our rockets.
Astronauts train for their missions in a neutral buoyancy tank filled with?
water
In space all liquids take on what shape due to surface tension?
A sphere
True or false - If you are in space and throw a football 50 m.p.h., one hour later it will still be traveling 50 m.p.h.? Why or why not?
True - Newton’s 1st Law objects in motion stay in motion
Most rockets fall back down to Earth with the aide of what to slow them down?
Parachute
A g-force the measurement of?
Gravity