Planet Y has the same radius as Earth but twice Earth’s mass
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
Planet Y has the same radius as Earth but twice Earth’s mass. Which of the following best describes the gravitational field strength at the surface of Planet Y compared to the value g⊕ at Earth’s surface?
(a) It is equal to g⊕.
(b) It is 2 times g⊕.
(c) It is twice g⊕.
(d) It is four times g⊕.