True: 3 parts in lever: load, fulcrum, force, Example of wheel and axle, Example of compound machine, used for moving objects up/down the plane, Screw, False: a simple machine, Example of a pulley, Example of a wedge, make of one simple machine only,

Simple Machine and Compound Machine

Rangliste

Visuel stil

Indstillinger

Skift skabelon

Gendan automatisk gemt: ?