Units (Forces and Motion)
1 mark · NormalWhich of these has the correct unit for gravitational field strength?
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Correct option: N/kg
Common mistakes: N/m (unit for spring constant); N·m (unit for torque); kg m/s (unit for momentum)
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Marking points
B1 · 1 mark · Selects N/kg as the correct unit for gravitational field strength.
Worked solution
Gravitational field strength is measured in newtons per kilogram (N/kg).