P16.3 Planets, satellites, and orbits Flashcards
1
Q
What is centripetal force?
A
A force that acts on a body moving in a circular path and is directed towards the centre around which the body is moving.
2
Q
What is the direction of the planets velocity changed by?
A
Changed by the centripetal force
3
Q
What is the direction of motion of any planet … to the direction of the force of the gravity on it?
A
Right angled
