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## What are the differences between scalars and vectors?

Scalars | vectors |

Physical quantities having magnitude only but no direction . | Physical quantities having magnitude and direction . |

These quantities are completely described by: 1:a number 2:a suitable unit | These quantities are completely described by: 1:a numbers 2:by a suitable unit 3:By certain direction |

These quantities are added ,subtracted ,multiplied and divided by simple arithmetic rules. | These quantities cannot be added ,subtracted,multiplied and divide by simple arithmetical rules. |

## Examples of scalar quantities

- Speed
- work
- distance
- energy
- power
- Temperature
- Volume
- Specific heat
- Calorie
- Density
- Entropy
- Gravitational potential
- Charge
- Frequency
- Kinetic energy

## Examples of vector quantities

- Force
- Acceleration
- Momentum
- Torque
- Electric flux
- Magnetic field intensity
- Centrifugal force
- Shearing stress
- Electric field intensity

## List of scalar and vector quantities

- Mass
- weight
- speed
- work
- power
- energy
- force
- torque
- displacement
- distance

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