Read Kinetic and potential energy
This SOF ISO pattern tests analyse energy changes. Read the condition carefully, then use the method below before you solve.
Kinetic and potential energy is the central idea in this question pattern. Identify the condition in the stem before applying the method below.
Find the tested idea
Write down the quantities, directions or conditions given in the stem before selecting a formula or rule.
Work from the evidence
Use one governing relationship at a time. For a visual question, trace the path; for a numerical question, keep units and signs consistent.
Verify before choosing
Use the wording, diagram and units exactly as given. Select an option only after it satisfies every stated condition.
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- ✓Extract the condition.
- ✓Apply one governing rule.
- ✓Check sign, unit or direction.
Check the result against a simple limiting case, diagram direction or unit before choosing an option.
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