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Weight and gravity — OCR GCSE Physics A J249

Home
Physics
OCR GCSE Physics A
Forces
Forces in action
Weight and gravity

OCR GCSE Physics A · J249

Weight and gravity

What you need to know

Define weight and describe how it is measured.
Describe the relationship between the weight of an object and the gravitational field strength, $g$ .
Know that $g$ is approximately 10 N/kg at the Earth’s surface.

$W = m g$

Revision notes

1
Weight and gravity
4 key terms

Practise with past papers Key terms & definitions

Previous subtopicGravitational field Next subtopicAcceleration in free fall

W=

mg