Chapter 1 NEW BOOK Flashcards
1
Q
an object’s change in motion relative to a reference point
A
Motion
2
Q
the distance traveled divided by the time interval during which the motion occured
A
speed
3
Q
the speed of an object in a particular direction
A
Velocity
4
Q
the rate at which velocity changes over time
A
acceleration
5
Q
a push or pull exerted on an object in order to change the motion of the object
A
force
6
Q
the SI unit for force (N)
A
newton
7
Q
the combining of all of the forces acting on an object
A
net force
8
Q
a force that opposes motion between two surfaces that are in contact
A
friction
9
Q
a force of attraction between objects that is due to their masses
A
Gravity
10
Q
a measure of the gravitational force exerted on an object
A
weight
11
Q
a measure the amount of matter in an object
A
mass
