Ancient Astronomy and Gravity/Orbits and Tides Flashcards

1
Q

Aristarchus

A

Suggested a sun-centered solar system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Kepler first law

A

the orbit of each planet is an ellipse (oval shape) with the sun at one focus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Keplers second law

A

As a planet orbits it sweeps out equal areas in equal times

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Kepler’s third law

A

More distant planets orbit at a slower average speed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what did Galileo observe

A

moons orbiting Jupiter, craters on the moon, and sunspots on the sun

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Newtons first law

A

an object moves at constant velocity when there is no net force acting on it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Newtons second law

A

the amount of acceleration depends on object’s mass and the next force applied

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

F = ma

A

Force = mass x acceleration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Newtons third law

A

for every force, there is an equal force in the opposite direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly