In physics, a physical quantity with both size and direction is called a vector; a physical quantity with only size and no direction is called a scalar. Which of the following physical quantities is a scalar is__________
A. displacement
B. journey
C. force
D. acceleration
Answer:B
In physics, a physical quantity with both size and direction is called a vector; a physical quantity with only size and no direction is called a scalar. Which of the following physical quantities is a scalar is__________
A. displacement B. journey C. force D. acceleration