Home
Flashcards
Preview
IPS Chapter 12
Home
Get App
Take Quiz
Create
What is force?
a push or a pull
What are balanced forces?
forces that are equal in size but opposite in direction
What are unbalanced forces?
forces that cause a change in the motion of and object
What is gravity?
a force of attraction between all objects in the universe
What is a Newton?
the SI unit of force
What is friction?
a force that opposes the motion of an object
What is lubricant?
a material that reduces friction
What is air resistance?
a force that opposes the movement of an object in air
What is terminal velocity?
it is the speed at which air resistance and gravity acting on a falling object are equal
What is a vacuum?
an empty space
What is pressure?
the force per unit area
What is air pressure?
pressure caused by the force exerted by earth's atmosphere
What is a barometer?
an instrument used to measure air pressure
What is bernoulli's principle?
as the speed of a fluid increases its pressure decreases
Author
powder912
ID
110139
Card Set
IPS Chapter 12
Description
SCIENCE VOCAB AND OTHER TEST QUESTIONS
Updated
10/19/2011, 1:57:26 PM
Show Answers
Home
Flashcards
Preview