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M2-1&2 Vocab Quiz
Quiz
Term | Definition |
---|---|
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 |