Question

Which three fundamental quantities were used to describe mechanical systems before studying heat?

Options

• Length, temperature, and time

• Mass, volume, and speed

• Length, mass, and time

• Force, mass, and acceleration

Answer 1

Length, mass, and time

Explanation:

Before heat was studied as a separate physical quantity, mechanical systems were completely described using the three fundamental quantities length, mass, and time (L, M, T).