Question

Which of the following is not a basic physical quantity?

• A. Length
• B. Force
• C. Time
• D. Amount of substance

Answer 1

Answer: (B)

Force

The physical property of a body, substance or phenomenon that can be quantified by measurement is defined as a physical quantity.

There are seven fundamental physical quantities viz. time, length, mass, amount of substance, luminous intensity, temperature, and electric current.

Here force is a derived unit.

Thus the correct answer is force.