chapter 1 vocab Flashcards
1
Q
motion
A
the objects change in position relative to a reference point
2
Q
speed
A
the distance traveled divided by time
3
Q
velocity
A
the speed of an object in a particular direction
4
Q
acceleration
A
the rate at which velocity changes over time
5
Q
force
A
push or pull exerted on an object in order to change the motion of the object
6
Q
newton
A
the SI unit for force
7
Q
net force
A
the combination of all of the forces acting on an object
8
Q
friction
A
the force that opposes motion between 2 surfaces that are in contact
9
Q
gravity
A
a force of attraction between objects that is due to their masses
10
Q
weight
A
a measure of the gravitational force exerted on a object
11
Q
mass
A
a measure of the amount of matter in an object