| Speed | Newton's Laws | Forces | Speed Velocity Acceleration | Miccelaneous |
| 10 | 10 | 10 | 10 | 10 |
| 20 | 20 | 20 | 20 | 20 |
| 30 | 30 | 30 | 30 | 30 |
| 40 | 40 | 40 | 40 | 40 |
| 50 | 50 | 50 | 50 | 50 |
| Final Question | ||||
If Coach Kampen throws the football 60 meters in 4 seconds, what is the average speed (velocity) of the football?
If Coach Kampen throws the football 60 meters in 4 seconds, what is the average speed (velocity) of the football?
15 m/s
If it takes Old McDonald 45 seconds to run from the from his house to his barn door at an average speed (velocity) of 3 meters per second, what is the distance he covers in that time?
If it takes Old McDonald 45 seconds to run from the from his house to his barn door at an average speed (velocity) of 3 meters per second, what is the distance he covers in that time?
150 m
What is the definition of speed?
What is the definition of speed?
The distance an object travels in a certain amount of time.
How do you find speed?
How do you find speed?
s=d/t
On a motion graph a steep straight line shows...
On a motion graph a steep straight line shows...
a constant fast speed
The Law of Acceleration.
The Law of Acceleration.
2
Pushing a child on a swing requires less force than pushing an adult.
Pushing a child on a swing requires less force than pushing an adult.
2
The air is let out of a balloon and it flies around the room.
The air is let out of a balloon and it flies around the room.
3
A baseball continues to roll until friction, gravity, and air resistance stop it.
A baseball continues to roll until friction, gravity, and air resistance stop it.
1
The Law of Inertia
The Law of Inertia
1
An object moves when acted on by....
An object moves when acted on by....
unbalanced forces
If forces are balanced an object is most likely...
If forces are balanced an object is most likely...
not in motion
What is the most common contact force?
What is the most common contact force?
Friction
What is the net force on a box if Joey pushes the box at a force of 50N right and Cody pushes the box at 40N left?
What is the net force on a box if Joey pushes the box at a force of 50N right and Cody pushes the box at 40N left?
10N right
What is net force?
What is net force?
The combination of all forces on an object.
An ant walking 10 millimeters per second.
An ant walking 10 millimeters per second.
speed
A train left the station heading towards Dallas at 75 miles per hour north.
A train left the station heading towards Dallas at 75 miles per hour north.
velocity
A knuckleball pitcher can throw a ball that has varying speeds.
A knuckleball pitcher can throw a ball that has varying speeds.
acceleration
The flight from NYC to Los Angeles travels at 550 mph west each morning
The flight from NYC to Los Angeles travels at 550 mph west each morning
velocity
The car slowed down at the train crossing because the crossbars lowered.
The car slowed down at the train crossing because the crossbars lowered.
acceleration
How do you find average acceleration?
How do you find average acceleration?
(V2-V1)/t
What is the unit for acceleration?
What is the unit for acceleration?
meters per second squared
A train comes to a quick stop, what happens to the acceleration vectors?
A train comes to a quick stop, what happens to the acceleration vectors?
They are in opposite directions
What are 4 common examples of acceleration?
What are 4 common examples of acceleration?
slowing down, speeding up, stopping, and turning
A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope, its speed is 4 m/s. But 3 seconds later, at the bottom of the slope, its speed is 22 m/s. What is its average acceleration?
A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope, its speed is 4 m/s. But 3 seconds later, at the bottom of the slope, its speed is 22 m/s. What is its average acceleration?
6 m/s2
You are traveling in a car that is moving at a velocity of 20 m/s. Suddenly, a car 10 meters in front of you slams on it’s brakes. At that moment, you also slam on your brakes and slow to 5 m/s. Calculate the acceleration if it took 2 seconds to slow your car down.
You are traveling in a car that is moving at a velocity of 20 m/s. Suddenly, a car 10 meters in front of you slams on it’s brakes. At that moment, you also slam on your brakes and slow to 5 m/s. Calculate the acceleration if it took 2 seconds to slow your car down.
-7.5m/s2
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