Question

which of the following is a scalar quantity?
a. 8 feet to the right
b. 2 mph down
c. 8 m/s² east
d. 14 gallons

Explanation:

A scalar quantity has only magnitude and no direction. Options A, B, and C have direction (right, down, east respectively), while 14 gallons only has magnitude of volume.

Answer:

D. 14 gallons