Relier Pairs Physics in real lifeVersion en ligne testing par Yurley Elena Camargo 1 Axle 2 Inclined plane 3 Pulley 4 Lever a rigid bar resting on a pivot, used to move a heavy or firmly fixed load with one end when pressure is applied to the other. a rod or spindle (either fixed or rotating) passing through the centre of a wheel or group of wheels. a sloping ramp up which heavy loads can be raised. a wheel with a grooved rim around which a cord passes or which a rope runs and acts to change the direction of a force applied to the cord and is used to raise heavy weights.
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