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