Which of the following are scalars?
Mass
Explanation for the correct option:
Option (A): Mass
Explanation for the incorrect option(s):
Option (B) Weight: It is a vector quantity and it has both magnitude and direction.
Option (C) Velocity: It is too a vector quantity because has magnitude as well as direction.
Option (D) Acceleration: Acceleration is also a vector quantity.
Thus, the correct answer is an option (A).