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Tutor HuntTest QuestionsPhysics QuestionsYear 10 Physics Questions

 

Work Done And Energy Transfer (GCSE Physics)

The following is a GCSE Physics test covering 'Work Done And Energy Transfer' from the broader topic Forces. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Which equation links energy (E), power (P) and time (t)?
A machine has an input power of 1000 W and wastes 250 W as heat. What is the efficiency of the machine (decimal)?
A force of 50 N moves an object 3 m in the direction of the force. How much work is done?
A spring with constant 80 N/m is stretched 0.20 m. What speed would a 0.50 kg mass have if all the spring energy converted to kinetic energy (ignore losses)?
Which expression is the kinetic energy (Ek) of a moving object?
What is the work done when a 60 N force pushes an object 0.75 m in the direction of the force?
Which equation links pressure (p), force (F) and area (A)?
How much gravitational potential energy is gained when 100 kg of water is pumped 10 m higher? (g = 9.8 N/kg)
A car engine does useful work of 80 kJ for every 100 kJ of fuel energy supplied. If the engine supplies 160 kJ useful energy per minute, what is the fuel energy input per minute?
A force of 10 N is applied perpendicular to a lever at a distance of 0.50 m from the pivot. What is the moment?
A kettle transfers 5 000 J of thermal energy to water in 20 s. What is the average power supplied?