Cambridge International AS & A Level Physics · AS 5 · structured
Work and power of a crane
Work, energy and power · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- demanding
- Marks
- 5
- Topics
- 3
- Answer
- Complete
Question5 marks
A crane exerts a constant force of 220 N at 28° to the direction of motion while an object moves 16 m in 10 s. Calculate the work done by the force and its average power.
Task interpretation
What a complete response should do
Build a visible chain from the information given to the quantity or statement requested.
Split the problem into linked stages and state why each relationship applies.
- Response type
- structured
- Allocation
- 5 marks
- Demand
- demanding
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Use your answer and the marking steps—not confidence alone—to choose.