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Tutor HuntTest QuestionsPhysics QuestionsYear 10 Physics Questions

 

Changes In Energy (GCSE Physics)

The following is a GCSE Physics test covering 'Changes In Energy' from the broader topic Energy. The test is geared towards the AQA exam board style syllabus.
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A 2.0 kg mass is raised 5.0 m in g = 9.8 N/kg. What is the increase in its gravitational potential energy?
A wind farm has a mean power output of 696 MW supplying 580 000 homes. What is the mean power available per home?
Why are transformers used on the National Grid?
What is the specific latent heat of fusion?
What is meant by the conservation of energy principle?
A toy car of mass 0.50 kg is moving at 4.0 m/s. What is its kinetic energy?
Which equation gives the change in gravitational potential energy when an object of mass m is raised by height h in a gravitational field g?
A 60 kg person climbs stairs of height 1.75 m in 1.40 s. (g = 9.8 N/kg). What is their mechanical power output (rounded)?
An ice block of mass 0.25 kg melts when 50 000 J are transferred to it. What is the specific latent heat of fusion inferred from this experiment?
Which energy store increases when you lift an object to a greater height above the ground?
A spring with k = 200 N/m is stretched by 0.10 m. What elastic potential energy is stored?