Motion
Newton's Laws
Forces
Vocabulary
Miscellaneous
100
When a football is caught, its motion is stopped. This is an example of what force?
Contact force.
100
The Law states an object at rest remains at rest, and an object in motion with constant velocity (that is, constant speed in a straight line) unless the object experiences a net external force.
Newton's First Law.
100
The sum of forces acting on an object is this.
The Net Force.
100
What does the coefficient of friction mean?
The ratio of the magnitude of the force of friction between two objects in contact to the magnitude of the normal force with which the objects press against each other.
100
Taylor Swift's first number-one song on the Billboard Hot 100 was this.
"We Are Never Ever Getting Back Together"
200
Gravitational force is an example of this.
Field Forces.
200
This is the tendency of an object not to accelerate.
Inertia.
200
This changes depending on your position or place in the universe.
Weight.
200
The maximum value before a change occurs (like max static friction before motion).
Threshold.
200
This person said, "Use the force, Luke."
Obi-Wan Kenobi
300
Because the effect of a force depends on both magnitude and direction, force is a what quantity?
Vector quantity.
300
This law states that force is proportional to mass and acceleration.
Newton's Second Law.
300
____ acts on a surface in a direction perpendicular to the surface.
Normal force.
300
A force that opposes motion.
Resistance.
300
Sir Isaac Newton was this age when he died.
84 years old.
400
If a car accelerates, its acceleration is dependent on ___________ force.
Magnitude force.
400
This is the state in which the net force of an object is zero.
Equilibrium.
400
This force prevents an object at rest from starting to move when a small force is applied.
Static friction.
400
Unbalanced forces cause a
a change in motion.
400
An object moving at constant velocity has this net force acting on it.
What is zero net force?
500
A _________ diagram is used to analyze only the forces affecting the motion of a single e
Free-body diagram.
500
When a skateboarder pushes backward on the ground, the ground pushes forward on the skateboarder.
Newton’s Third Law of Motion.
500
Compared to static friction, kinetic friction is usually this.
Smaller.
500
Motion at a steady speed in a straight line.
Constant Velocity.
500
Gresham High School in Oregon was established in what year?
1906.