Scissors - The handles are levers. The screw is the fulcrum. The points of the blades are wedges., Stapler - The handle is a lever and the staples are wedges., Crane - The long arm called boom acts as a lever, Bicycle - The handleIt's wheels are wheels and axles. The gears are a system of pullerys. they consist of wheels and chains. The pedals and brakes are levers,

Complex Machines

طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

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