AQA GCSE Measuring Weight(Physics)
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Weight is the force acting on an object due to gravity.
Weight is measured in Newtons,N
The weight of an object may be considered to act at a single point referred to as the object’s ‘centre of mass’.
The weight of an object can be measured using a spring balance, or Newtonmeter.
Newtonmeter or Spring balance.
A Newtonmeter is an alternative name for a spring balance. The spring balances below are calibrated, that means that they have been checked by a standard that they are accurate.
Each single weight is 10g or 0.01kg. As the mass added increases, so does the weight. This means that both mass and weight are directly proportional.
Practice Questions
1. State the definition of weight
2. What is meant by the term calibration
3. State the relationship between mass and weight
4. State the meaning of the term centre of mass
5. What does a spring balance measure?
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