Scalar Quantity
- Scalars are quantities which are fully described by a magnitude alone.
- Magnitude is the numerical value of a quantity.
- Examples of scalar quantities are distance, speed, mass, volume, temperature, density and energy.
Vector Quantity
- Vectors are quantities which are fully described by both a magnitude and a direction.
- Examples of vector quantities are displacement, velocity, acceleration, force, momentum, and magnetic field.
Example 1
Categorize each quantity below as being either a vector or a scalar.
Speed, velocity, acceleration, distance, displacement, energy, electrical charge, density, volume, length, momentum, time, temperature, force, mass, power, work, impulse.
Answer:
Scalar Quantities:
- speed
- distance
- energy
- electrical charge
- density
- volume
- length
- time
- temperature
- mass
- power
- work
- velocity
- acceleration
- displacement
- momentum
- force
- impulse
External Link
Vectors - An Introduction
Vectors by Uni. of Guelph
Electronic Science Tutor - Introduction to Vector
Interactive Animation
Vectors - An Introduction
Vectors by Uni. of Guelph
Electronic Science Tutor - Introduction to Vector
Interactive Animation
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Useful just one question... which category does potential moment and density come under?
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