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Science Flashcards
test
16 cards·by JuliaYelnick12
Acceleration
The rate at which velocity changes.
Motion
The state in which one object’s distance from another is changing
Reference point
A place or object used for comparison to determine if an object is in motion.
Speed
The distance an object travels in one unit of time
Velocity
Speed in a given direction
Force
A push or pull exerted on an object.
Inertia
A push or pull exerted on an object.
Mass
The amount of matter in an object
Newton
A unit of measure that equals the force required to accelerate one kilogram of mass at 1 meter
per second per second.
Momentum
The product of an objects mass and velocity.
Friction
The force that one surface exerts on another when the two rub against each other.
Gravity
The force that pulls objects toward Earth.
Free Fall
The motion of a falling object when the only force acting on it is gravity.
Projectile
An object that is thrown.
Air resistance
The fluid friction experienced by objects falling through the air.
Weight
The force of gravity on an object at the surface of a planet.