machines - objects that are designed to make work easier, lever - consists of a rod free to move about a balancing point, fulcrum - the fixed point on which the lever turns, load - this is the object that is being moved by the machine, effort - this is the force applied to make the lever work, newtons - measurement of force, pulley - simple machine made with a rope (belt or chain) wrapped into the groove of a wheel, inclined plane - consists of a sloping surface, lubricant - reduces friction between two surfaces, inefficient - the energy required to do work is wasted in overcoming friction,

Machines

โดย
สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม