Grade 11 - physics - Scalars and vectors ddefintions

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Vector

A physical quantity that has both magnitude and direction.

Scalar

A physical quantity that has magnitude only

resultant vector

The single vector which has the same effect as the original vectors acting together.

Distance

The length of the path travelled

Displacement

A change in position

Speed

the rate of change of distance

velocity

the rate of change of position

Acceleration

The rate of change of velocity