EASY
AS and A Level
IMPORTANT
Earn 100
Explain what is meant by the gravitational potential at a point.
Important Questions on Gravitational Fields
MEDIUM
AS and A Level
IMPORTANT
This diagram shows the gravitational potential near a planet of mass M and radius R.
On a copy of the diagram, draw similar curves. For a planet of the same radius but of mass label
this i.
MEDIUM
AS and A Level
IMPORTANT
This diagram shows the gravitational potential near a planet of mass M and radius R.
On a copy of the diagram, draw similar curves. For a planet of the same radius but of radius label this ii.
MEDIUM
AS and A Level
IMPORTANT
Use the graphs to explain from which of these three planets it would require the least energy to escape.
HARD
AS and A Level
IMPORTANT
Venus has a diameter of and a mass of . Calculate the energy needed to lift one kilogram from the surface of Venus to a space station in orbit from the surface.
MEDIUM
AS and A Level
IMPORTANT
Explain what is meant by the gravitational field strength at a point.This diagram shows the dwarf planet, Pluto, and its moon, Charon.These can be considered to be a double planetary system orbiting each other about their joint centre of mass.
MEDIUM
AS and A Level
IMPORTANT
Calculate the gravitational pull on Charron due to Pluto.
MEDIUM
AS and A Level
IMPORTANT
Calculate Charron's orbital period.
MEDIUM
AS and A Level
IMPORTANT
Explain why Pluto's orbital period must be the same as Charron's.
