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How is the weight of a ship measured?

Physics | 8-11 yrs | Animation, Video

To measure the weight of a ship, we will use the Archimedes’ Principle. Archimedes’ Principle states that “Any floating object displaces its own weight in fluid.”

Let’s say that we have to measure the weight of the ship below. We will need water dock, cubic meters. Note down the current water level. Put the ship into the dock. Now note the level. Here the water level has increased by 5 cubic meters.

So by Archimedes’ Principle

  • Weight of the ship = 5m3 x Density of water
  • Weight of the ship = 5m3 x 995.65 kg/m3
  • Weight of the ship = 4978.25 kg

This is how we calculate the weight of a ship.

For more such interesting Physics videos and articles visit our Physics for Kids category.