Now, we learn in detail about scalar and vector quantities.
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Scalars | vectors |
Physical quantities have magnitude only but no direction. | Physical quantities have 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. |
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Please correct the pic.. Pressure is a scalar quantity not vector..