Friction and Gravity

Flashcard
•
Physics
•
8th Grade
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What is friction?
Back
Friction is a force that opposes the motion of an object. It occurs when two surfaces come into contact.
2.
FLASHCARD QUESTION
Front
What are the four types of friction?
Back
The four types of friction are static friction, sliding (kinetic) friction, rolling friction, and fluid friction.
3.
FLASHCARD QUESTION
Front
What is static friction?
Back
Static friction is the frictional force that acts on an object that is not moving. It prevents the object from starting to move.
4.
FLASHCARD QUESTION
Front
What is sliding (kinetic) friction?
Back
Sliding friction, also known as kinetic friction, is the force that opposes the motion of two surfaces sliding past each other.
5.
FLASHCARD QUESTION
Front
What is rolling friction?
Back
Rolling friction is the force that opposes the motion of a rolling object, such as a wheel or ball.
6.
FLASHCARD QUESTION
Front
What is fluid friction?
Back
Fluid friction is the resistance encountered by an object moving through a fluid (liquid or gas). An example is oil between machine parts.
7.
FLASHCARD QUESTION
Front
What is gravity?
Back
Gravity is a force that attracts two bodies towards each other. It gives weight to physical objects and is responsible for the falling of objects.
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