how to make pulley working model – simple machine – physics – diy

In this post we write about making of the pulley working model – simple machine – physics – diy

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Creating a pulley working model using cardboard pulleys, thread, a plastic bucket, and color paper is a great way to demonstrate the principles of mechanical advantage and simple machines.

Here’s a step-by-step guide to help you build this project:

Materials Needed

  • Cardboard
  • Color paper (optional, for decoration)
  • Thread or string (strong and durable)
  • Plastic bucket (small)
  • Wooden skewers or pencils (to act as axles for pulleys)
  • Scissors
  • Glue or tape
  • Marker
  • Small weights or objects (to lift with the pulley)

Step by Step Making of Simple Machine Working Model

1. Prepare the Base and Pulleys

  1. Base Setup:
    • Cut a piece of cardboard to serve as the base of your model.
    • Use markers or color paper to decorate the base, if desired.
  2. Pulley Wheels:
    • Cut out two circular shapes from cardboard to create pulley wheels.
    • Make them large enough to fit comfortably within the plastic bucket.
  3. Axles for Pulleys:
    • Insert wooden skewers or pencils through the center of each cardboard circle to create axles for the pulleys.
    • Secure the axles in place with glue or tape.

2. Attach Pulleys and Bucket

  1. Mount Pulleys:
    • Attach the pulley wheels (cardboard circles with axles) to opposite sides of the plastic bucket using glue or tape.
    • Ensure the pulley wheels can rotate freely on their axles.
  2. Thread Setup:
    • Cut a length of thread long enough to run over both pulleys with some slack.
    • Thread the string over one pulley wheel and under the other, creating a simple loop.
  3. Attach Bucket:
    • Secure one end of the thread to the top of the bucket.
    • Pass the other end of the thread over the pulley wheels and leave it hanging down to attach weights or objects.

3. Demonstrate the Pulley System

  1. Operation:
    • Place small weights or objects inside the plastic bucket.
    • Pull down on the free end of the thread to lift the bucket using the pulley system.
    • Explain how the pulleys reduce the amount of force needed to lift the load.
  2. Educational Value:
    • Discuss how pulleys work as simple machines to change the direction of force and provide mechanical advantage.
    • Explain the concept of fixed and movable pulleys in relation to your model.

By following these steps, you’ll create an effective and educational pulley working model using cardboard pulleys, thread, a plastic bucket, and color paper.

This project not only demonstrates basic principles of physics and mechanics but also engages learners in hands-on exploration of simple machines and mechanical advantage.

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