The gravitational field strength on the Moon is lower than the gravitational field strength on the Earth. A scientist studies a rock that has been returned from the Moon. He measures three quantities. 1 the density of the rock 2 the mass of the rock 3 the weight of the rock Which quantities have the same value on the surface of the Earth and on the surface of the Moon?
- A1 and 2 only
- B1 and 3 only
- C2 and 3 only
- D1, 2 and 3