Question

ŴĤĂŤ ĨŜ VĂĈŤÕŘ ĂŇĎ ŜĈĂĹÕŘ

ŴĨŤĤ ÊҲĂMPĹÊ ​

Answer 1

Answer:

Scalar and vector quantities

A quantity that has magnitude but no particular direction is described as scalar. A quantity that has magnitude and acts in a particular direction is described as vector.

Scalar quantities

Scalar quantities only have magnitude (size).

For example, 11 m and 15 ms-1 are both scalar quantities.

Scalar quantities include:

distance

speed

time

power

energy

Scalar quantities change when their magnitude changes.

Vector quantities

Vector quantities have both magnitude and direction. For example, 11 m east and 15 ms-1 at 30° to the horizontal are both vector quantities.

Vector qualities include:

displacement

velocity

acceleration

force

weight

momentum

Vector quantities change when:

their magnitude changes

their direction changes

their magnitude and direction both change

The difference between scalar and vector quantities is an important one.

Answer 2

Answer:

vector quantity has a direction while salir quantity does not have direction.

Explanation:

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