1) The figure shows a) fixed pulley b) Movable pulley 2) A simple machine made up of a bar or rigid beam that is free to turn on a fixed point called fulcrum or pivot. a) Pulley b) Lever c) Screw

Табела

Визуелни стил

Поставке

Промени шаблон

Врати аутоматски сачувано: ?