1) The ………………… is a fixed point of the lever. a) effort force b) fulcrum c) resistance force 2) The... is a rigid bar that rotates around a fixed point. a) lever b) fulcrum c) effort force 3) …………… is a simple machine that makes tasks easier invented in the past.   a) Lever b) Fulcrum c) Effort force  4) The manual broom is a ………………… class lever. a) 1st b) 2nd c) 3rd 5) Nutcracker is a........... class lever. a) 1st b) 2nd c) 3rd

Skor Tablosu

Görsel stil

Seçenekler

Şablonu değiştir

Otomatik olarak kaydedilen geri yüklensin mi: ?