Force A
A force that occurs between the surfaces of two objects that are touching.
What is friction?
Is a push or a pull
What is a force?
To work against
What is oppose?
A force that pulls objects toward Earth's surface.
What is gravity?
What is a magnet?
Give an example of helpful friction
Rubbing hands together for warmth, ect
The process of an object changing position
What is motion?
To say that something is expected to happen
What is predict?
Give an example of harmful friction
Gears in cars wearing down due to constant friction, etc
Something that keeps repeating
What is pattern?
A substance that reduces friction between objects in contact
What is lubricant?
A collection of forces acting on an object that cancel each other out and produce no change in the object's motion
What is balanced forces?
To pull something closer
What is attract?
What is repel?
What is magnetism?
A train that works without wheels touching tracks.
What is a maglev train?
A collection of forces acting on an object that result in a change in the object's motion
What is unbalanced forces?
Air friction is also known as
To ______ means to float in the air.
What is levitate?
The places on a magnet where the magentic force is strongest
What are magnetic poles?
True or False. The Industrial Revolution was a period of rapidly developing technology growth that occurred in the 1800s.
True
True or False. The Underground Railroad was not a real railroad.
True
Engineer and inventor that helped improve trains and helped shape the Industrial Revolution?
Who is Elijah McCoy?
Trains take a great amount of force to overcome ______ and ______.
What is friction and gravity?
A government document that gives someone the ownership and rights to an invention.
What is a patent?