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ps unit 1

newtons 1st law, inertia and motion

QuestionAnswer
distance how far you have traveled between two positions
displacement change in position. it is in a straight line distance between your starting and ending position
scalar quantity that only requires magnitude
vector quantity that requires both magnitude and directions
speed how fast something is moving. equal to distance divided by time
velocity rate at which position changes. it is equal to distance divided by time
applied force The support force exerted upon an object that is in contact with another stable object. it is in the direction of the push or pull
normal force a contact force that is exerted by a surface against an object that is pressing against the surface
tension force a contact force exerted by a taut string, rope, or wire on an object
friction force The force exerted by a surface as an object moves across it or makes an effort to move across it
air resistance a special type of force that acts upon on an object as they travel through the air
spring force a contact force exerted on an object by a string when it is stretches or suppressed
thrust a contact force that is exerted in the opposite direction of an exhaust gas being expelled
Created by: SpencerF
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