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Vocabulary
Acceleration
Forces
Those Laws
Calculate and Graphing
100
What is speed?
How fast an object is moving
100
What are the three ways you can accelerate?
speeding up slowing down changing direction
100
A force is a _____________ or a _____________.
push, pull
100
The first law of motion is also called the Law of ___________.
Inertia
100
What is the formula for calculating speed?
Speed = Distance/Time
200
What is velocity?
HOw fast an object is moving in a specific direction
200
TRUE OR FALSE A car turning a corner at a constant speed is accelerating.
TRUE
200
When two teams are playing tug-of-war and neither team is moving, the forces are _________________.
Balanced
200
The 3rd Law tells us forces always occur in ____________.
Pairs
200
Force can be calculated by _______ = _________ x ___________
Force = Mass x Acceleration
300
What is acceleration?
How fast an object is changing velocity
300
TRUE OR FALSE A car traveling between stop signs is not accelerating.
FALSE
300
Two cars are pulling with 500 N of force east. One truck is pulling with 700 N west. What is the net force? (give amount and direction!)
300 N east
300
What makes Mrs. Braden's coffee going flying in the car when she has to stop suddenly?
Inertia
300
A steady slope on a graph represents __________________ speed.
constant speed, no acceleration
400
Inertia is an object's _________________ to ____________.
resistance to change
400
The __________ law refers to acceleration.
2nd
400
When a large truck hits a smaller car and the car is pushed back the forces are _____________________.
unbalanced
400
Which law is the law of force and acceleration?
2nd law
400
On a distance-time graph a horizontal line indicates _______________________.
No motion, the object is stopped
500
A newton measures _______________.
force
500
Braking as you approach a stop light is a form of _____________________.
Acceleration
500
What is the force that opposes motion between two surfaces?
Friction
500
Which law is also known as the Law of Action and Reaction?
3rd Law
500
How is speed similar to velocity?
Both tell how fast something is going