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# Propeller set 2

Action Force exerted by the first force onto the second object
Reaction Equal and opposite force exerted by the second to the first object
Normal The force that comes from the surface in which the object is located
Friction The force that opposes motion
Contact force Force that acts between 2 objects that directly touch
Gravity The force I attraction between to objects
Net force The overall force on an object
Non contact force Force that acts between 2 objects that do not directly touch
What is a kinetic energy An energy associated with an object in motion
What is potential energy Thw energy stored in an object
What ate the three types of potential energy Elastic Gravitational Chemical
What's an independent variable Variable that is changed
Whats the dependent variable Varia or who's value changes when the independent variable is changed
What is the controlled variable Variable that is kept the same
What are some components of a well designed expierment Specific procedure Specific measurements Multiple trials
Acceleration A change in speed or direction
Weight vs Mass Mass= amount Matter in an object Weight= amount of attraction between the object and earth
Work When a force is exerted on an object causing the object to move in the same direction as the force
Trend General direction in which something tends to change
Energy Capacity to move something from a rest positron
Propulsion force A push or pull that causes an object to move
Newtons first law Stay at rest Stay in motion. Unless acted upon by an outside force
Newtons 2nd law More mass and greater net force = greater acceleration
Newtons 3rd law For every action there is an equal and opposite reaction
Created by: supersage

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