What is the unit symbol for weight?

• A. N
• B. W
• C. Cd
• D. m

Answer: (A)

The unit symbol for weight is represented by the letter N, which stands for newton. Weight is a force that results from the gravitational attraction between an object and the Earth or another celestial body. The newton is the standard unit of force in the International System of Units (SI), defined as the force required to accelerate a mass of one kilogram at the rate of one meter per second squared.

Understanding that weight is a force helps clarify why N is the correct symbol, as force is measured in newtons. The other options represent different quantities: W is the symbol for watts, which measure power; Cd stands for candelas, the unit of luminous intensity; and m represents meters, which measure distance. Each of these units is relevant in their own contexts but does not pertain to the measurement of weight.