Consider the following physical quantities Energy power pressure impulse temperature gravitati...........

Everyday Science General Science

Consider the following physical quantities. Energy, power, pressure, impulse, temperature, gravitational potential Which of the above is/are the vector quantity/quantities?

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CAPF 2016 Paper-1

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Impulse only

Impulse and pressure

Impulse, temperature and pressure

Gravitational potential

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Explanation:

Scalar quantities are those quantities which depend only on magnitude and not on direction.

Ex: Speed,Distance,Charge etc.

Vector quantities are those quantities which depend both on magnitude as well as direction both.

Ex:Displacement,Velocity,Current

To define a vector we need specify the magnitude as well as the direction.

Example:A person travelled 2 m North and 3 m south then the total distance travelled is 5 m but the displacement is -1m if by convention we take north direction as positive and south as negative.