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Forces/ Acceleration
Question | Answer |
---|---|
air resistance | The fluid FRICTION experienced by objects FALLING THROUGH AIR. |
balanced forces | EQUAL FORCES acting on an object in opposite directions. |
centripetal force | A FORCE that causes an object to MOVE IN A CIRCLE. |
fluid friction | FRICTION that occurs as an object moves THROUGH A FLUID. |
force | A push or pull exerted on an object. |
free fall | The motion of a FALLING OBJECT when the only force acting on it is GRAVITY. |
friction | A force that one surface exerts on another when the two RUB AGAINST EACH OTHER. |
gravity | The force that pulls objects towards each other. |
inertia | Tendency of a moving object to CONTINUE IN A STRAIGHT LINE or a stationary object to REMAIN IN PLACE. |
law of conservation of momentum | THe RULE that the TOTAL MOMENTUM of objects in an interaction DOES NOT CHANGE. |
momentum | The PRODUCT of an object's MASS and VELOCITY. |
net force | The OVERALL FORCE on an object when all the individual forces acting on an object are added together. |
newton | A UNIT OF MEASURE that equals the FORCE required to accelerate one kg of mass at a rate of 1 m/s/s. |
projectile | An object that is thrown. |
rolling friction | FRICTION that occurs when an object ROLLS over a surface. |
satellite | Any OBJECT THAT TRAVELS AROUND ANOTHER OBJECT in space. |
sliding friction | FRICTION that occurs when one solid surface SLIDES OVER another. |
terminal velocity | MAXIMUM VELOCITY a falling object achieves. |
unbalanced forces | A NONZERO NET FORCE that changes an object's motion. |