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GCSE Combined Science · key term
An instrument that measures force using a calibrated spring and a scale marked in newtons; also called a spring balance.
Used by Edexcel
Paper 5, Paper 6
Revise: Weight and gravitational field strengthA newton meter, also called a spring balance, measures weight directly. It contains a spring, a hook for the object and a calibrated scale marked in newtons. The object pulls on the spring, stretching it; the scale converts this stretch into a force reading.
For a direct measurement of weight, name a newton meter and explain that the object is hung from its hook and the force is read from its scale.
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