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HughesUnit4

GEHS-HughesUnit4

QuestionAnswer
Friction Slows objects down, creates heat and wears objects down.
Kinetic Friction Moving friction.
Static Friction Non-living friction.
Law of Universal Gravitation All objects in the universe attract each other through gravitational force.
Terminal Velocity Point at which an object stops accelerating while it is falling. Pull of gravity is equal to push of air resistance.
What is the weakest form of Friction Fluid Friction
What is the hardesst form of Friction Static Friction
Newton's 1st Law of Motion An object at rest will stay at rest, and an object in motion will stay in motion until a net force acts on it.
Inertia Ability of an object to resist a change in motion
Newton's Second Law of Motion An object will accelerate in the direction of the net force applied to it.
Momentum Strength of an object's motion.
Law of Conservation of Momentum Momentum is not created or destroyed, but transferred.
Newton's 2nd Law An object will accelerate in the direction of the net force applied to it. Object will change, speed up, slow down and or change direction.
What determines how far an object will move depends on 2 things? Force and mass
What 3 things does friction do? Slows an object down, creates heat, wears object down.
Weight The force on an object due to the pull of gravity
What 2 factors determine gravitational strength? Mass and distance
What attracts all objects to each other? Gravity
Air resisitance Force exerted by air on a moving object.
Momentum Formula P=M x V
Created by: grimshaw'sclass
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