which of the following is responsible for earth’s magnetic field?

a

molten metals in earth’s interior

b

earth’s oceans

c

the gravitational pull of the sun and the moon

d

earth’s orbit

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?