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level: Definitions

Questions and Answers List

level questions: Definitions

QuestionAnswer
What is WORK?A measure of how much energy has been transferred into moving or rearranging and object.
What is MOMENTUM?The product of mass and velocity of an object.
What is ACCELERATION?The rate at which the speed of an object changes.
What is SPEED?A scalar quantity that measures the distance travelled in a set time.
What is DISPLACEMENT?Vector whose length is the shortest distance from the initial to the final position
What is DISTANCE?The length of the space between two points.
What is VELOCITY?The speed of something in a given direction.
What is INELASTIC MOMENTUM?The kinetic energy is changed to some other form of energy in the collision
What is ELASTIC MOMENTUM?A collision in which there is no net loss in kinetic energy in the system as a result of the collision.
What is POTENTIAL ENERGY?Stored energy that depends upon the relative position of various parts of a system
What is KINETIC ENERGY?Form of energy that an object or a particle has by reason of its motion.