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Science test

QuestionAnswer
Force A push or a pull on an object
Contact force a push or a pull on one object by another that is touching it
Noncontact force a force that one object can apply to another object without touching it
3 noncontact forces gravity, magnetism, electricity
Measure mass and weight Kilograms and Newtons
Difference between mass and weight Matter is constant everywhere while weight can change (location)
How is gravitational force affected by mass and distance? Mass: mass of objects increase → gravitational force between them increases Distance: gravitational force decreases as distance increases
What is friction? A force that resists the motion of two surfaces that are touching
3 kinds of friction Sliding, fluid, static
Gravity attractive force that exists between all objects that have mass
Magnetism Magnetism: attracts certain metals to magnets
Weight gravitational force exerted on an object
Mass the amount of matter in an object
Lubrication decreases friction
Created by: user-1856069
 

 



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