ARCHIMEDES PRINCIPLE 1

Considered Formulas



Example 1
A block of iron weighs 20 N in air and 17 N when completely immersed in water. Calculate the Upthrust exerted by water
Solution


Example 2
A body weighs 0.36 N in air and 0.18 N when immersed in water. Find the
i)        Upthrust exerted by water

ii)       Relative density of a body
Solution

EXERCISE

  1. Weight of a body in air = 10.0N, and when immersed in water = 9.2N, find the upthrust exerted by water on the body
  2. The weight of a body when totally immersed in liquid is 4.2N. if the upthrust is 2.5N, find the weight of the body in air
  3. A piece of glass weighs 1.2N in air and 0.7N when completely immersed water. Calculate its:
    4. i)        Upthrust exerted by water
    ii)       Relative density of the glass
  4. Study the diagram below


    Calculate
    i)        Upthrust exerted by water
    ii)       Relative density of the glass
  5. A body weighs 0.2N in air and 0.17N when completely immersed water. Calculate its:
    6. i)        Upthrust exerted by water
    ii)       Relative density of the body
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