Matching Pairs LET'S SIMPLE MACHINESOnline version Know machines and ttheir function. by maria backer baraza 1 We use wheel and axle 2 We use screw 3 We use lever 4 We use an inclined plane 5 We use a wedge 6 We use gears 7 We use a pulley to change the direction of movement and/or increase the output speed or torque. to move or lift objects. to lift objects. to cut objects. to hold objects together — such as wood — and to position objects. to push objects up or down. to reduce friction of the moving vehicle with the ground.
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