What is the principle behind the working of a hydraulic lift?

Practice Questions

Q1
What is the principle behind the working of a hydraulic lift?
  1. Bernoulli's principle
  2. Archimedes' principle
  3. Pascal's law
  4. Newton's law

Questions & Step-by-Step Solutions

What is the principle behind the working of a hydraulic lift?
  • Step 1: Understand that a hydraulic lift is a machine used to lift heavy objects.
  • Step 2: Learn about fluids, which are liquids or gases that can flow.
  • Step 3: Know that when you apply pressure to a fluid in a closed space, that pressure spreads out evenly in all directions.
  • Step 4: This spreading of pressure is explained by Pascal's law.
  • Step 5: In a hydraulic lift, there are two cylinders filled with fluid: a small one and a large one.
  • Step 6: When you push down on the small cylinder, the pressure from your push is transmitted through the fluid to the larger cylinder.
  • Step 7: Because of Pascal's law, the larger cylinder pushes up with the same pressure, allowing it to lift heavy objects.
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