Vocabulary1
Vocabulary2
Force
Friction
Gravity
100
When an object changes position over time when compared with a reference point
What is motion?
100
The speed of an object in a particular direction
What is velocity?
100
An object that is in motion must have had this type of force act upon it
What is unbalanced?
100
Friction occurs because the surface of any object is this
What is rough?
100
This type of matter is affected by gravity
What is all matter?
200
The rate at which an object moves
What is speed?
200
The rate at which velocity changes
What is acceleration?
200
An object that is not in motion or is in constant motion has this type of force acting upon it.
What is balanced?
200
Using an eraser on your paper is an example of this type of friction
What is sliding?
200
This is a measure of the gravitational force acting on an object
What is weight?
300
The size and direction of a push or a pull
What is force?
300
A unit for expressing force
What is Newton?
300
Forces that are added are in this direction
What is the same direction?
300
Using wheels to move something creates this "easier" type of friction
What is rolling?
300
The larger the mass of two objects, the ________ gravitational force between the object
What is greater or more?
400
The force that results from combining all forces on an object.
What is net force?
400
A force that opposes motion
What is friction?
400
Forces that are subtracted are in this direction.
What is opposite direction?
400
These two things create MORE friction
What is rougher surfaces and greater force?
400
The further away two objects get, the gravitational force __________.
What is decreases or gets smaller?
500
A force of attraction between objects that is due to their masses
What is gravity?
500
The amount of matter in an object
What is mass?
500
The net force of an object on the ground that is being pulled 23N to the east and 31N to the west.
What is 8N west?
500
This is used to REDUCE friction
What is a lubricant?
500
This man generalized his thinking in the Law of Universal Gravitation.
Who is Sir Isaac Newton?
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