You place a mass of 250 grams on the measurement tray of a triple beam balance and then set the rider on the 500 gram beam to the 200 gram mark (the other riders are set to 0 grams). Which of the following statements is true?
AThe pointer will be above the zero mark.
BThe pointer will be below the zero mark.
CThe pointer will be lined up with the zero mark.
DThe pointer will move up and down once per second.
AThe pointer will be above the zero mark.
BThe pointer will be below the zero mark.
CThe pointer will be lined up with the zero mark.
DThe pointer will move up and down once per second.