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GCSE Physics · key term
A region in which an object can experience a force without touching the source of that force.
Used by AQA and Edexcel
Paper 1, Paper 2
Revise: Key ideasA field is the region around a source in which another suitable object can experience a force. A mass produces a gravitational field, a charge produces an electric field, and a magnet or electric current can produce a magnetic field. Fields let us analyse this apparent ‘action at a distance’: for example, the Earth’s gravitational field exerts a force on a falling object without physical contact.
Specification 9.1 · Paper 2
A region in which an object can experience a force without touching the object producing it.
State the conditions of a model: a spring’s force and extension are proportional only up to its limit of proportionality, and weight is proportional to mass where gravitational field strength is constant.
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A field is a region where an object can experience a force without touching the object producing that field. Earth’s gravitational field attracts a ball towards Earth, even while the ball is in the air. The force of Earth’s gravity on the ball is its weight.