This law states that if one object exerts a force on another object, then the second object exerts a force of equal strength in the opposite direction of the first object.
What is Newton's Third Law of Motion?
100
A characteristic of a moving object that is related to the mass and the velocity of the object.
What is momentum?
100
The formula for acceleration.
What is acceleration = Net force divided by Mass.
100
When you know both the speed and direction of an object's motion, you know the _____________________ of the object.
What is velocity?
200
This law states that an object at rest tends to remain at rest and an object in motion tends to stay in motion unless it is acted upon by an unbalanced force.
What is Newton's First Law?
200
A dog leaps up to catch a frisbie and pushes on the ground. The reaction force of the ground pushes the dog into the air. This type of action is known as what kind of pair?
What is action-reaction pairs?
200
The momentum of a moving object can be determined by multiplying the object's__________________________.
What is mass and velocity?
200
The formula for momentum.
What is momentum = Mass x Velocity
200
The theory name that describes how Earth's plates move in various directions.
What is The Theory of Plate Tectonics
300
On earth, g_________________ and f______________ are unbalanced forces that often change an object's motion.
What is gravity and friction?
300
Name another action-reaction pair that was shown in the book as an example.
What is a gymnast doing a flip over a vault? Or, What is a kayaker's paddle pulling on the water?
300
In the absence of outside forces, this law states that the total momentum of objects that interact does not change.
What is the law of conservation of momentum?
300
The formula for slope.
What is slope = Rise over Run or Rise divided by Run
300
The name of Earth's land masses when they were all one?
What is Pangea?
400
This is the tendency of an object to resist a change in motion.
What is inertia?
400
Action and reaction forces do not cancel out because they are acting on....
What are different objects?
400
A 3.0 kg sledgehammer swung at 1.5 m/s. What is its momentum?
What is 4.5 kg . m/s?
400
The formula for speed.
What is speed = Distance divided by Time
400
In science, acceleration refers to ________________ speed, _______________________ speed, or _________________________ direction.
What is increasing, decreasing or changing
500
This law states that acceleration depends on the object's mass and on the net force acting on the object.
What is Newton's Second Law of Motion?
500
When equal forces act on the same object, forces are ___________________ and the two forces add up to ___________________.
What are balanced and zero?
500
An object's momentum depends on ___________________ and ___________________.
What is velocity and mass?
500
Formula for average speed.
What is Average Speed = Total Distance divided by Total Time
500
The formula for acceleration is:
What is Acceleration = Final Speed - Initial Speed divided by Time