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science quiz 21

QuestionAnswer
acceleration change of speed or direction or both
buoyancy upward force of liquid on a sollid
constraint designed limitation or boundary
machine designed to make work easier
momentum force that keeps things moving
lever bar where objects doing the moving or balancing sits on a lever
lever load where object to be balanced or moved sits on lever
lever fulcrum part of lever that makes leverage possible
lever input arm bottom of lever that is to be moved
lever output arm top of lever that moves objects
criteria design characteristics needed for function
second law of motion acceleration is determined by forces and mass
third law of motion every action has an equal and opposite reaction
first law of motion objects in motion stay in motion unless an outside force interrupts
energy transfer cause collision result
reaction force equal force in opposite direction
foil stucture designed for lift
engineer scientist who develops technology
Created by: ksabatino
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