Vocab for the win
How is velocity different from speed?
Velocity includes speed and direction
True or False: An object moves only when the forces acting on it are balanced.
False
An object at rest _______________ until _____________________.
stays at rest
acted on by an outside force
In which direction does gravity always work?
down
The quantity of matter in something
Mass
What is the net force on the race car?
1900 N Forward
For every action there is ______________________.
an equal and opposite reaction
True or False:
There is less gravity on the moon than on Earth because the moon is smaller than the Earth
True
The force that always opposes motion
Friction
Are the forces in the tug-of-war picture balanced or unbalanced?
Unbalanced
Force = __________________
Mass times acceleration
F=MA
An object weighs just as much on the moon as it does on Earth because it has the same mass.
False