Vector or Scalar

Which of the following is a scalar quantity?

• 2 miles up I-35

• 10 feet closer to your car

• 2 meters

• 1 centimeter to the right

Ricky-Bobby races in the Indy 500, an oval shaped track that is 2.5 miles per lap. The race is 200 laps long, and he ends up exactly where he started. His displacement over the race is 0 miles, because:

• Displacement is a vector quantity.

• Displacement is a scalar quantity.

Juan rides his bike from point A to point B, then on to point C. What is his displacement?

• 3m

• 4m

• 5m

• 7m

A skier moves from point A to point B, then moves backwards to point C, before travelling forwards again to point D. What is her displacement? (ignore the time listed)

• 40m

• 100m

• 140m

• 420m

Ricky-Bobby races in the Indy 500, an oval shaped track that is 2.5 miles per lap. The race is 200 laps long. The distance he traveled during the race is 500 miles, because:

• Distance is a vector quantity.

• Distance is a scalar quantity.

Classify each of the following physical quantities as a vector or a scalar.

a) Volume : .....

b) Force : .....

c) Density : .....

d) Velocity : .....

• a) scalar

  b) vector

  c) scalar

  d) vector

• a) scalar

  b) scalar

  c) vector

  d) vector

• a) scalar

  b) vector

  c) vector

  d) scalar

• a) vector

  b) scalar

  c) vector

  d) scalar

Choose the correct answer regarding the scalar quantity.

• The magnitude of the scalar quantities are 30 and 45

• The magnitude of the scalar quantity is 45 only

• The magnitude of scalar quantities are 30 and 100

• The magnitude of scalar quantities are 100, 30 and 45

State the sentence that showing the vector quantity.

Choose the correct example of daily activities involving vector quantities

• Heating food from 27^oC to 90^oC

• Determining the time taken for a race to finish

• Take the elevator to the 20th floor

• Weigh the fish bought in the market

Which of the following is a scalar?

• Time

• Displacement