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JSS2: BASIC SCIENCE - 2ND TERM

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  1. Types of Energy | Week 1, 2 & 3
    4 Topics
    |
    1 Quiz
  2. Thermal Energy | Week 4 & 5
    5 Topics
    |
    1 Quiz
  3. Crude Oil and Petrochemicals | Week 6 & 7
    5 Topics
    |
    1 Quiz
  4. Simple Machines | Week 8 & 9
    10 Topics
    |
    1 Quiz

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Topic Content:

  • The Pulley System

What is a Pulley?

A pulley is a simple machine that reduces the amount of force needed to lift a load. A pulley is made up of fixed support known as a block, plus a wheel and a rope or chain. The more pulleys or ropes used, the greater the load that can be moved and the less force required to move it.

pulley system

 

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