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M2-1&2 Vocab Quiz


Force A push or pull of an object
Newton A unit of measure that equals the force required to accelerate 1 kilogram of mass at one meter
Net Force The overall force on an object when all the individual forces acting on it are added together
Unbalanced Forces Forces that produce a nonzero net force, which changes an object’s motion
Balanced Forces Equal forces acting on an object in opposite directions
Friction The force that one surface exerts on another when the two surfaces rub against each other.
Static Friction Friction that acts on objects that are not moving.
Sliding Friction Friction that occurs when one solid surface slides over another.
Rolling Friction Friction that occurs when an object rolls over a surface.
Fluid Friction Friction that occurs as an object moves through a fluid.
Gravity The force that pulls objects toward each other.
Weight The force of gravity on an object at the surface of a planet.
Mass The amount of matter in an object
Free Fall The motion of a falling object when the only force acting on it is gravity
Air Resistance The fluid friction experienced by objects falling through the air.
Terminal Velocity The greatest velocity a falling object can achieve.
Projectile An object that is thrown
Created by: nmehlhaff