The weight of a train car on a mountain top is found to be slightly less than the weight of the same car at sea level.
Which statement accounts for the reduced weight on the mountain top?
A. The pull of gravity from the Sun has been decreased.
•B. The distance from the center of Earth has been increased.
• C. The mass at high altitude is smaller than the mass at sea level.
• D. The temperature at high altitude is lower than the temperature at sea level.
1 answer
B. The distance from the center of Earth has been increased.