A-level Physics Unit 7.2 Gravitational fields - 7.2.2 Gravitational field strength (New AQA spec)

In lesson 2 of the gravitational fields unit students recap some AS content (g by freefall) and apply a new equation to calculate the gravitational field strength at a certain point for a variety of objects e.g. planets. They discuss the factors which influence gravitational field strength, g, and those which do not. It includes a video demonstrating this through objects of different mass being dropped from an equal height in a vacuum chamber.

These A-level lesson power points are detailed and tailored to guide students (and teachers) through the new physics A-level specification (and are referenced accordingly). Each has outlined at the start a clear progression through the topic and the relevant section from the specification. Lessons begin with a starter activity to get students thinking and develop problem-solving skills before they progress with new theory and practice. All power points contain practice questions with answers included at the end.

The high level of detail in these lessons will particularly suit those who are newer to teaching physics at A-level or whose subject knowledge may be a little rusty.