9. define a pulley. state the two different types of pulleys ( 3marks )
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A pulley is a mechanical device that can be used to lift heavily objects more easily. ... There are three main types of pulleys: fixed, movable, and compound. A fixed pulley's wheel and axle stay in one place.
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A pulley is a mechanical device that can be used to lift heavily objects more easily. ... There are three main types of pulleys: fixed, movable, and compound. A fixed pulley's wheel and axle stay in one place.
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