(a) What are fluids? Name two common fluids.
(b) State Archimedes' principle.
(c) When does an object float or sink when placed on the surface of a liquid?
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Explanation:
(a) Fluids are the substances that can flow. Two common fluids are gas and water.
(b) The mass of the displaced water or a liquid is totally equal to the mass of the object immersed in the water or any liquid.
(c) The object float when it's density is less than 1 g per cm square and it sinks when it's density is more than 1 g per cm square.
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- All the flowing substances,both liquids and gases are called fluids.
- Archimedes principle states that when a body is partially or wholly immersed in a fluid,it experiences an up thru at or apparent loss of weight ,which is equal to the weight of the fluid displaced by the immersed part of the body.
- If density of the object is less than the density of water,the object will float in water.If density of the object is more than the density of water,the object will sink in water.
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