Objects in Orbit Flashcards
1
Q
What do objects in orbit rely on having
A
the right tangential velocity
2
Q
Why does the curve of the planet allow orbit
A
objects fall but get no closer because of the curved surface
3
Q
What is the rate like between object falling and planet curving away
A
Same rate
4
Q
What is the gravitational force acting on earth
A
centripetal force acting towards the sun
5
Q
What does centripetal force allow
A
Orbits
6
Q
What are the two types of satellite
A
man-made satellites
natural satellites
7
Q
What are man made satellites used for
A
communications and observations
8
Q
What happens to velocity of planets and why
A
changes because direction of changes
