What is Scalar & Vector?

 Scalar is a measurement that has only value.

Value means Magnitude, a Measure. But It has No Direction like Left, right, West, East etc.. It Simply has Value Only

✅ Examples:

🌡 Temperature → 30°C → Only magnitude, no direction.
⏰ Time → 5 hours → Only magnitude, no direction.
⚖ Mass (Weight) → 60 kg → Only magnitude, no direction.
🚗 Speed → 40 km/h → Only magnitude, no direction.

Speed is just one example of a scalar quantity.

Similarly, Temperature, Time, Mass, Length, Area, Volume,  all these are scalar quantities.

If there is only magnitude (value) and no direction, it is called a Scalar Quantity.




Vector is not just a value, it also has direction.

Quantities that have both Magnitude + Direction are called Vector Quantities.


✅ Examples:

➡️ Velocity → 40 km/h North → Has both magnitude and direction.
➡️ Displacement → 5 km East → Has both magnitude and direction.
➡️ Force → 10 N Upward → Has both magnitude and direction.
➡️ Acceleration → 5 m/s² → Has both magnitude and direction.


✅ Simple Understanding:

If we say a bike is moving at 100 km/h, we are mentioning only the magnitude—this is a scalar value.

If we say the same bike is moving at 100 km/h towards East, we are mentioning both magnitude and direction—this is a vector value.

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