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# SHMS 8th Sci Vocab 4

### SHMS 8th Grade Science Vocab 4

TermDefinition
Acceleration The rate at which velocity changes over time.
Circuit A closed path through which a current can flow.
Series Circuit A circuit that only has one path for energy to flow.
Parallel Circuit A circuit in which current follows more than one path.
Force A push or pull on an object.
Inertia The tendency of an object to resist change in its speed or direction.
Friction The resistance of motion between two objects.
Net Force The overall force on an object when all forces acting on the object are added together.
Velocity The speed in a given direction.
Speed The distance an object travels in a unit of time. (d/t)
Weight The force of gravity on the mass of an object.
Newton The unit of measurement for force. It is equal to the amount of force needed to accelerate 1 kilogram of mass at 1 meter per second per second.
Newton's 1st Law of Motion An object at rest will stay at rest and an object in motion will stay in motion at a constant velocity unless acted on by an unbalanced force.
Newton's 2nd Law of Motion The net force on an object is equal to its mass times acceleration.
Newton's 3rd Law of Motion If one object exerts a force on another object, then the second object exerts a force of equal strength in the opposite direction. (For every action there is an equal or opposite reaction.)
Gravity The force of attraction between two objects based on their masses and distance between them.
Created by: hbogue