The table shows the values of two quantities for an astronaut on Earth and Venus.
Astronaut's Details
Earth Venus
Quantity A 80 units 80 units
Quantity B 784 units 709.6 units
Which of the following names the quantity and correctly explains why that represents the astronaut's weight?
Quantity A, because it remains the same throughout
Quantity B, because it is independent of other quantities
Quantity B, because it changes with gravitational strength
Quantity A, because it measures the force acting on the astronaut