Types of Forces
Contact vs Non-Contact
Newton's Laws
Misc.
Non-contact Forces
100
What is a force?
A push or pull on an object
100
Is this a contact or non-contact force?
Push
Contact
100
Who discovered Newton's Laws? (Need first and last name)
Who is Sir Isaac Newton?
100
What is a contact force?
A force that can only act when two objects are touching (in contact)
100
What is a non-contact force?
A force between two objects that are not touching
200
Forces are measured in what??
Newtons
200
Is this a contact or non-contact force?
Friction
Contact
200
Newton's third law states that every force has an _________ and _______ force.
What is equal and opposite?
200
With magnetic and electric forces, what poles or charges attract?
What are opposite?
200
What is this non-contact force illustrated below?
Magnetic Force
300
What is a force that slows the movement of a sliding object?
What is Friction
300
Is this a contact or non-contact force?
Magnetic force
Non-contact
300
What equation describes Newton's second law?
What is F = ma, or a = F/m or m = F/a
300
What two things does acceleration measure?
A change in speed and/or direction
300
What is this non-contact force described below?
An Apple Falling from a Tree
Gravitational Force
400
What is a type of friction that slows objects as they move through the air?
What is Air Resistance
400
Is this an illustration of a contact or non-contact force?
Non-contact (static electricity)
400
What do you call an objects tendency to stay in motion in the same speed and direction or to stay at rest?
What is Inertia?
400
What type of train uses electromagnetic forces?
What are MagLev trains.
400
What is an attractive or repulsive force that is exerted between charged objects?
What is Electric Force? What is electrostatic force?
500
What are the two measurements you need for a force?
Magnitude and direction of Force
500
What contact force is seen below?
Spring Force
500
If you push a 50 kg box with a force of 250 N up a hill, what is the acceleration?
5 m/s2
500
How would you describe the acceleration of this object? 
What is slowing down?
500
Name the two ways you increase the strength of an Electromagnet
What is increase number of turns? What is increase electric current?