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