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20 Cards in this Set
- Front
- Back
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Newton's 1st Law
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states that an object will remain at rest or in uniform motion unless an outside (unbalanced) force acts on the object.
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Newton's 2nd Law
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explains how force and mass and acceleration are related
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Newton's 3rd Law
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states that for every action there is an equal and opposite reaction.
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Inertia
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tendency to resist a change in motion
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Motion
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a change in position in a certain amount of time
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speed
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the rate at which an object moves
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momentum
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how difficult it is to stop an object in motion
one object's loss is another object's gain |
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pressure
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force acting over a surface area
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terminal velocity
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when an object can no longer accelerate
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atom
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smallest part of matter
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element
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made up of one type of atom
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group
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columns, share properties-18 groups
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period
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row
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protons
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positive
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neutrons
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neutral
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electrons
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negative
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metal
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solid at room temp, shiny, good conductors
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non-metals
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usually not shiny, gas at room temp, do not conduct
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metalloids
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B, Si, Ge, As, Sb, Te: both metal and nonmetal
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work
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force acting through a distance
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