EASY
AS and A Level
IMPORTANT
Earn 100
Calculate the Earth's gravitational field strength at the position of the Moon.
Important Questions on Gravitational Fields
MEDIUM
AS and A Level
IMPORTANT
Calculate the force the Earth exerts on the Moon. Hence, determine the Moon's acceleration towards the Earth.
MEDIUM
AS and A Level
IMPORTANT
Jupiter's mass is times that of the Earth and its radius is times the Earth's. The Earth's surface gravitational field strength is. Calculate the gravitational field strength close to the surface of Jupiter.
EASY
AS and A Level
IMPORTANT
The Moon and the Sun both contribute to the tides on the Earth's oceans. Which has a bigger pull on each kilogram of seawater, the Sun or the Moon?
MEDIUM
AS and A Level
IMPORTANT
Astrologers believe that the planets exert an influence on us, particularly at the moment of birth. (They don't necessarily believe that this is an effect of gravity!) Calculate the gravitational force on a baby caused by Mars when the planet is at its closest to the Earth at a distance of Mars has a mass
EASY
AS and A Level
IMPORTANT
Astrologers believe that the planets exert an influence on us, particularly at the moment of birth. (They don't necessarily believe that this is an effect of gravity!). Calculate the gravitational force on the same baby due to its mother at a distance of
MEDIUM
AS and A Level
IMPORTANT
Determine the gravitational potential at the surface of the Earth.
EASY
AS and A Level
IMPORTANT
Determine the gravitational potential at the surface of the Moon.
EASY
AS and A Level
IMPORTANT
Which has the shallower 'potential well', the Earth or the Moon? Draw a diagram to compare the 'potential wells' of the Earth and the Moon.
