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level: Level 1

Questions and Answers List

level questions: Level 1

QuestionAnswer
Reference pointA point against which position is measured.
Vector QuantityA physical measurement that contains directional information.
Scalar QuantityA physical measurement that does not contain directional information.
AccelerationThe time rate of change of an object's velocity.
Free fallThe motion of an object when it is falling solely under the influence of gravity.