Relier Pairs SIMPLE MACHINESVersion en ligne SIMPLE MACHINES par Luz Álvarez Herrero 1 THIS MACHINE IS A LEVER 2 THIS MACHINE IS A PULLEY 3 THIS MACHINE IS A WEDGE 4 THIS MACHINE IS A INCLINED PLANE 5 THIS MACHINE IS A SCREW 6 THIS MACHINE IS A WHEEL AND AXLE