Gravity and Motion Flashcards
0
Q
What is gravity?
A
Force that attracts all objects towards each other
1
Q
What is force?
A
strength or energy
2
Q
What is the law of universal gravitation?
A
Newton’s law that state that every object in the universe attracts every other object
3
Q
What is mass?
A
Mass is the amount of matter in an object
4
Q
What is weight?
A
The strength of gravity depends in part on the masses of each of the objects
5
Q
What is inertia?
A
The tendency of an object to resist a change in motion
6
Q
What is Newton’s first law of motion?
A
It says that an object at rest will stay at rest and an object in motion will stay up n motion with a constant speed and direction unless acted on by a force