Q59 of 176 Page 125

State Archimedes’ principle.

Archimedes’ Principle: When an object is wholly (or partially) immersed in a liquid, it experiences a buoyant force (or upthrust) which is equal to the weight of liquid displaced by the object.

Buoyant force on an object = weight of liquid displaced by that object


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Calculate the pressure when a force of 200 N is exerted on an area of:

(i) 10 m2 (ii) 5 m2

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