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Subjects / JC Engineering / Strand 3: Mechatronics

Mechanisms: levers, gears and pulleys

How simple machines change force, speed and direction of motion.

In review 2nd Year3rd Year Common
16practice questions

Fill the gaps: 1 · Match the pairs: 2 · Multiple choice: 4 · Select all that apply: 1 · Numeric answer: 6 · Short answer: 1 · Written answer (self/teacher assessed): 1

Each question has up to three hints, a worked explanation, and is tracked in your progress and review plan.

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Numeric answer
A lever lifts a load of 272 N with an effort of 49 N. What is its mechanical advantage (to 2 decimal places)?
Whole numbers, decimals (2.5) or fractions (3/4).
Hint 1

MA = load ÷ effort.

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