simple machine - few or no moving parts, complex machine - several parts and have simple machines, load - weight of an object, effort - amount of force required to move something, inclined plane - tilted surface that goes from a low to a high point, pulley - made up of a wheel and a rope or cable, lever - rigid bar and a fulcrum, Isaac Newton - laws of motion, law of gravity,

machines

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟