forces Flashcards
1
Q
force
A
is a push or pull exerted on an object.
2
Q
newton
A
measure force using a unit called the newton.
3
Q
velocity
A
the speed of an object in a particular direction
4
Q
accerleration
A
the rate at which velocity changes over time.
5
Q
backhoe
A
moves a pile of rocks
6
Q
air resistance
A
the curve is slightly steeper on the right than on the left
7
Q
trajectory
A
the curved path the ball takes through the air
8
Q
vector
A
describes the speed and direction of an object
9
Q
acceleration
A
a change in velocity
10
Q
gravity
A
downward acceleration due to the force