2022 Unit 1 Review: Physical Quantities & Measurement

Define vector quantity.

• Quantity which has magnitude.

• Quantity which has both magnitude and direction

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

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

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

Distance is a scalar quantity

• true

• false

Which unit of length would be best to measure the distance between 2 cities?

• centimetres

• millimetres

• kilometres

• metres

How many hours are there in 180 minutes?

10mm is equal to

• 1cm

• 1m

• 1dm

• 10cm

Which of the following is a derived quantity:

• Length

• Time

• Current

• Acceleration

There are examples of base quantity EXCEPT

• Time

• Length

• Velocity

• Electric current