A topic you 'somewhat know' is a topic you don't know yet. Be honest about your weak areas.

Gravitation — quick quiz

5 NSEJS-pattern questions on Gravitation. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Hard

A planet has mass 4 times that of Earth and radius 2 times that of Earth. What is the acceleration due to gravity on the surface of this planet compared to Earth's surface?