Newton's Laws
Momentum & More
Forces
Motion
Magnetism
100
Who was the scientist who proposed the Theory of Gravity?
Isaac Newton
100
What is the momentum (in numerical form) of an object that is not moving?
Zero
100
What is an example of a contact force?
Anything that includes touching.
100
What is the relationship between an object's mass and its gravitational pull?
More massive objects produce a stronger gravitational pull.
100
Magnets have two poles: a ______ pole and a _______ pole.
North and South
200
How many laws of motion did Newton create?
Three
200
An object with a small mass can still have a large momentum if it is doing what?
Traveling at a high speed.
200
What is an example of a non-contact force?
Gravity, magnetism, & electricity
200
In soccer, an example of an action force would be a foot applying force to the ball. What would the reaction force be?
The ball applying force to the foot.
200
Do opposite magnetic poles attract or repel one another?
Attract
300
Newton's First Law of Motion is also called the Law of _________.
Inertia
300
Velocity is speed + __________.
Direction
300
True or False: An object can only move when it is acted upon by unbalanced forces.
True
300
Aside from an object's speed, what else would its kinetic energy depend on when in motion?
Its mass
300
What happens when you try and push two like magnetic poles towards each other?
They repel each other and push apart.
400
Which of Newton's Laws Says that for every action, there is an equal and opposite reaction?
Third Law
400
What is the formula for speed?
Distance / Time
400
Energy in motion is called _________ energy.
Kinetic
400
What is the relationship between mass and kinetic energy?
As mass increases, kinetic energy increases.
400
What is an example of a magnetic metal?
Iron, nickel, or cobalt
500
What is the formula for Newton's Second Law?
Force = Mass x Acceleration
500
What are the three ways that an object can accelerate?
Speed up, slow down, change direction
500
What is the net force on the box in the image?
9 N to the right
500
What happens to the potential energy of two objects when you move them farther away from each other?
The potential energy increases.
500
The spinning of a magnet inside a generator produces what? (Think of the Storybots episode)
Electricity