Fixed pulley

Materials

• 2 tall surfaces of the same height (tables,countertop and a table)
• 3 2”x 4” wood planks, long enough to span the distance between the tall surfaces
• 4 fixed pulleys
• 2 movable pulleys
• Rope that fits the pulleys
• Screws
• Screwdriver or drill
• Toolbox with handle
• Tools, books, and other objects to add weight to the toolbox
• Scale.

Fixed pulley

1. Using the screws and a screwdriver or drill, attach one fixed pulley to the center of a 2 x 4 plank.
2. Feed the rope through the pulley.
3. Attach one end of the rope to the toolbox handle.
4. Place a few objects in the toolbox until it feels heavy. Weigh the toolbox on the scale. Record its weight.
5. Set the wooden plank between your two tall surfaces so the pulley is facing down.
6. Pull down on the free end of the rope and lift the toolbox. Record your observations. How much can you lift with the assistance of the fixed pulley?
7. This is the today project I hope you will like.
8. I am hardly requesting please in adult supervision. 
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