Gravitational fields (A-level only)

Which statement is correct?

The work done by an external force in moving a probe from $P$ to $Q$ is greater than the work done in moving the same probe from $P$ to $R$ .

The gravitational field strength at point $Q$ is equal to the gravitational field strength at point $R$ .

No net work is done by the gravitational field when a satellite moves along the path $\rightarrow Q \rightarrow R$ .

The work done by an external force to move a mass from $P$ to $Q$ is equal to the work done to move the same mass from $P$ to $R$ .

Gravitational fields (A-level only) Questions

Which statement is correct?

The work done by an external force in moving a probe from $P$ to $Q$ is greater than the work done in moving the same probe from $P$ to $R$ .

The gravitational field strength at point $Q$ is equal to the gravitational field strength at point $R$ .

No net work is done by the gravitational field when a satellite moves along the path $\rightarrow Q \rightarrow R$ .

The work done by an external force to move a mass from $P$ to $Q$ is equal to the work done to move the same mass from $P$ to $R$ .