Simple machines. A pair of nail clippers and a bottle opener,two everyday objects that operate by using the simple lever. The principle of a lever is of mechanical advantage - a force applied at a given distance from a fulcrum (point of rotation) being magnified by being used at a point closer to the fulcrum | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 4500 px × 4500 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |