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Speed and Velocity

Scalar and Vector Quantities
scalarvector
distancedisplacement
speedvelocity

Speed is a scalar quantity.Speed is a change in distance per unit time
Velocity is a vector quantity.Velocity is change in displacement per unit timeUnits are ms-1
Speed is a scalar quantity and has no direction.Velocity is a vector quantity and has both magnitude and direction.

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Specification: AQA Physics (7407), AS-level, 3.4.1.3 Motion along a straight line. Topic: Motion.

Key terms in this lesson

Equilibrium
An object is in equilibrium when the resultant force and the resultant moment acting on it are both zero.

More in Motion

All 17 lessons in Motion · All AQA AS-level Physics topics