4Forces Free Body DiagramsMedium1 mark
The gravitational field strength at the surface of the Earth varies slightly from place to place.
At the South Pole it is 9.86 N / kg and in London it is 9.81 N / kg.
An explorer collects a rock at the South Pole and moves it to London.
How does moving the rock from the South Pole to London affect the mass and the weight of the rock?
| effect on mass | effect on weight | |
|---|---|---|
| A | none | decreases |
| B | none | none |
| C | decreases | decreases |
| D | decreases | none |