Basic and Derived Quantities

Choose TWO(2) examples of base quantity

• Mass and density

• Length and area

• Length and mass

• Mass and velocity

Define physical quantity

• Quantities that cannot be defined in term of other physical quantities

• Quantities derived from combination of base quantities through multiplication or division or both.

• Quantity that cannot be measured

• Quantity that can be measured

Determine the reading of the following measurement tools.

• 2.72 cm

• 2.78 cm

• 2.82 cm

• 2.88 cm

Basic quantity is defined as a

• quantity which can be derived from any physical quantities.

• quantity which cannot be derived from any vector quantities.

• quantity which cannot be derived from any physical quantities.

• quantity which can be derived from any vector quantities.

Physical quantity is defined

• Quantity that can be measured

• Quantity to be find

• Quantity in laboratory

• Quantity that has direction

2 types of Physical Quantities

• Base Quantity & Derived Quantity

• Base Quantity & Physical Quantity

• Physical Quantity & Dimension Quantity

• Vector Quantity & Scalar Quantity

Those are from basic quantity except

• Time

• Velocity

• Electric Current

• Luminious Intensity

What is the unit for Electric Current?

• E

• s

• I

• A

Which of the following pairs of physical quantity and SI unit is correct ?

• Mass - SI unit : Gram
• Time - SI unit : Hour
• Electric current - SI unit : Volt
• Temperature - SI unit : Kelvin

What is the SI unit of weight?

• kilograms

• grams

• newtons

• kg