Unit 3 Force and Motion VOCABULARY REVIEW (20 words)
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
What is friction?
Back
A force that opposes motion between two surfaces that are in contact.
2.
FLASHCARD QUESTION
Front
What is rolling friction?
Back
The force that resists one solid rolling on another.
3.
FLASHCARD QUESTION
Front
Who discovered the laws of motion?
Back
Sir Isaac Newton.
4.
FLASHCARD QUESTION
Front
What is speed?
Back
The distance traveled divided by the time needed to travel that distance, not including direction.
5.
FLASHCARD QUESTION
Front
What is momentum?
Back
The quantity of motion of a moving body, measured as a product of its mass and velocity.
6.
FLASHCARD QUESTION
Front
What is force?
Back
An interaction that causes an object to change its velocity, direction, or shape.
7.
FLASHCARD QUESTION
Front
What is acceleration?
Back
The rate of change of velocity of an object with respect to time.
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