Sep 11, 2025 · Revision notes on Gravitational Field Strength for the Cambridge (CIE) A Level Physics syllabus, written by the Physics experts at Save My Exams.

How do you calculate gravitational field strength? Gravitational field strength is calculated using the formula g = GM/r², where G is the gravitational constant, M is the mass, and r is the distance.

Newton’s Law of Gravitation states that any two bodies in the universe attract each other with a force directly proportional to their masses and inversely proportional to the square of the …

A gravitational field is a region in space where a mass will experience a gravitational force. Its strength is governed by the equation g = F/m.

The gravitational field strength (g) at any point in a gravitational field is the gravitational force per unit mass exerted on any body placed at that point. SI unit of gravitational field strength is …

What is the gravitational field strength (and acceleration due to gravity) at geosynchronous orbit? Answer: The gravitational field strength at the geosynchronous orbital radius can be calculated …

To measure how strong the field is - on the Earth, on the moon, or far from either - we look at the force that acts on a body of the same mass, usually 1 kg. This force per unit mass is called the …

On Earth the gravitational field strength is 10 N/kg. Other planets have different gravitational field strengths. The Moon has a gravitational field strength of 1.6 N/kg. You might have seen films …

Gravitational field strength is a vector quantity: its direction is towards the object that causes the field. Always use the given value for g. Candidates often lose marks for using 10ms –2 when …

First, both expressions for the force of gravity are set equal to each other. Now observe that the mass of the object - m - is present on both sides of the equal sign. Thus, m can be canceled …