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Transcript
```Force, Motion and Energy Vocabulary
Term
Definition
acceleration
The change in an objectâ€™s speed or direction
(velocity) over time.
f=ma
The formula for finding force (N) by using
mass (g) times acceleration (m/sec2).
force
A push or pull.
Example
Traveling North
at 50 m/sec2
Pull
Push
friction
The force that resists the motion of two
surfaces that are touching.
gravity
The force of attraction between two objects.
inertia
An objectâ€™s tendency to resist changing its
motion.
motion
A change in position.
net force
The total amount of force acting on an
object.
5N, right net force
20N
Newton
normal force
s=d/t
speed
velocity
weight
The SI unit of force. Measured with a
spring scale.
15N
N
The force equal and opposite to gravity
The formula for finding speed.
Speed (m/sec) = distance (m) / time (sec)
The distance traveled by an object in an
amount of time.
Speed with a direction. Velocity has a unit
of m/sec + direction.
The measure of the gravitational force of
gravity on an object.
Measured in Newtons or grams
with a spring scale
```
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