Long answer·Challenge (5/5)·No calculator
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Question
Design a fair investigation to verify Newton's second law using a trolley, pulley and hanging masses.
Total: 8 marks
(a) State the hypothesis and variables. (3 marks)
(b) Describe the procedure and measurements. (3 marks)
(c) Explain how the graph should be used to support the law. (2 marks)
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