A satellite orbiting a planet in a circular path is moved closer to the planet into a lower orbit. Which option correctly describes how the force of gravity on the satellite, its speed in orbit, and its orbital time period change?
Force of gravity increases, speed in orbit decreases, time period decreases
Force of gravity decreases, speed in orbit increases, time period decreases
Force of gravity increases, speed in orbit increases, time period decreases
Force of gravity increases, speed in orbit increases, time period increases
27 exam-style questions on OCR GCSE Physics Beyond Earth. Each one has a worked solution and a mark scheme showing where the marks go.