Free worksheet and solutions · AQA AS · 7407
Power and Efficiency Worksheet
AQA and OCR A power worksheet with answers. Derive P=Fv, distinguish traction from resultant force, and calculate efficiency in a hillside transport system.
What is covered
Questions and skills covered
The worksheet contains 5 pages of printable questions. A separate 5-page solutions PDF makes it easy to mark, review or share answers after the activity.
- Deriving power from work done and speed
- Choosing traction or resultant force in P=Fv
- Power, efficiency and complete energy accounting
About this activity
Deriving power from work done and speed. Choosing traction or resultant force in P=Fv. Power, efficiency and complete energy accounting.
Before you start
Previously taught mechanics, equation rearrangement and consistent SI units.
Revise the physics
Specification fit
This shared PDF includes the applicable boards’ references and a board-neutral footer. Choose an eligible course below and check the scope before assigning it.
- OCR A AS H156 · Forces and motion · 3.3.3(a), 3.3.3(b), 3.3.3(c)
- OCR A A Level H556 · Forces and motion · 3.3.3(a), 3.3.3(b), 3.3.3(c)
- AQA AS 7407 · Mechanics and materials · 3.4.1.7, 3.4.1.8
- AQA A Level 7408 · Mechanics and materials · 3.4.1.7, 3.4.1.8
AQA AS Physics Worksheets
7407 · 3.4.1.7, 3.4.1.8
Choose the correct pathway: Power and mechanical efficiency, using prior resolving-force/Newton-law skills. Does not claim complete coverage of work–displacement graphs, all energy conservation, or an efficiency practical method.
Classroom use
Use the worksheet for class practice, homework, intervention, cover work or revision. Keep the PhysicsUK attribution intact when sharing copies with pupils.