lesson 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

force

A

a push or pull exerted on an object

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

newton

A

how scientists measure force

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

velocity

A

the speed of an object in a particular direction

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

acceleration

A

the rate of which velocity changes

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

projectile movement

A

movement of objects, such as a ball

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

trajectory

A

the curved path an object takes

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

vector

A

describes both how fast something is and what direction i is in

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

gravity

A

force of attraction between objects that is due to their masses and that decreases at the distance between the object decreases

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

netforce

A

some of all the forces acting on the object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

noncontact forces

A

that can act at a distance

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