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Forces
We're all in Motion
Faster or Slower
Movement
It's the Law!
100
A combined force that does not cause movement.
What is a balanced force?
100
This is an object that appears to stay in one place and helps you detect motion.
What is a reference point?
100
The rate at which velocity changes over time.
What is acceleration?
100
This is true when all objects collide.
What is the momentum stays the same?
100
This states that the total amount of momentum stays the same when objects collide.
What is the Law of Conservation of Momentum?
200
The force needed to make something move.
What is an unbalanced force?
200
The tendency of all objects to resist any change in motion.
What is inertia?
200
When velocity increases, acceleration is this.
What is positive?
200
You must know this to find the momentum of an object.
What are mass and velocity?
200
This is the curved path something follows when it is thrown near Earth's surface.
What is projectile motion?
300
The combination of all forces acting on an object.
What are net forces?
300
A tennis ball, a baseball, and a golf ball are all dropped at the same time. This will land first.
What is they will all land at the same time?
300
Another word for negative acceleration is this.
What is deceleration?
300
A ball thrown parallel to the ground moves downward because of this.
What is gravity?
300
This law states that acceleration is caused by a force acting on a mass.
What is Newton's Second Law?
400
The force that pulls everything toward Earth's center.
What is Gravity?
400
You do this to find the net force when two forces are acting in the same direction.
What is add the forces?
400
Average speed is calculated this way.
What is distance divided by time.
400
A crumpled piece of paper lands before a flat sheet of paper because of this.
What is less air resistance?
400
This law states that for every force, there is an equal and opposite force.
What is Newton's Third Law?
500
The force that opposes motion between two surfaces.
What is friction?
500
You do this when forces are acting in opposite directions.
What is subtract the forces?
500
When velocity decreases, acceleration is this.
What is negative.
500
The gravitational pull is greater between two objects that are this.
What is have a bigger mass?
500
This law states that an object at rest will stay at rest and an object in motion will stay in motion if no outside forces are acting on it.
What is Newton's First Law