Mechanics module 0.0 / 5 ? PhysicsMotionASOCR Created by: GeorginaCreated on: 20-02-14 18:44 Scalar A quantity that has magnitude and not direction 1 of 10 Vector A quantity that has magnitude and direction 2 of 10 Speed is distance per unit time 3 of 10 Dispalcement is distance moved in a stated direction 4 of 10 Velocity is displacement per unit time 5 of 10 Instantaneous speed is the speed given at any instant of time, is the gradient of the graph of displacement against time at that instant 6 of 10 Acceleration is the rate of change of velocity 7 of 10 area a physical quantity representing the size of part of a surface, measured in metres squared 8 of 10 average speed a measure of the total distance traveled in unit time 9 of 10 free fall when an object is accelerating under gravity (9.81) 10 of 10

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