Construct a lever using your stationery. What is the effort, load and fulcrum in this case?

Material required : Take a scale (ruler), a pencil, and an eraser.

Steps :

• Place the pencil horizontally on the table – this will act as the fulcrum (the fixed support).
• Keep the scale (ruler) balanced on top of the pencil – this becomes the lever arm.
• Put the eraser at one end of the scale – this is the load.
• Press the other end of the scale with your finger – this is the effort.

So, in this lever made from stationery :

• Fulcrum → Pencil
• Load → Eraser
• Effort → Force applied by the finger on the scale