Discuss one law of Physics studied and it's application in daily life
Answers
Answer:
we have to discuss one law of Physics studied and its application in daily life.
solution : physics is nothing but the study of the nature and properties of matter and its energy. so it's obvious that every law of physics has importance in our daily life.
there are hundreds of laws of physics but if you asked me only one to explain with its application in our daily life, i must consider Archimedes' principle.
Archimedes' principle : it is one of the most important fundamental law of physics which helps us to find the volume of object of irregular shape, helps to make ship and boat and find the density of object.
" when a object is partially or fully submerged in a ligiid. an upward force (known as buoyant force) acting on the body which is equal to the weight of liquid displaced by the object. "
this buoyant force, F = ρVg
where ρ is the density of the liquid , V is the volume of displaced liquid and g is acceleration due to gravity.
application of Archimedes' principle :
this principle is used in designing the ships and submarines.
lactometer which is used to measure the purity of milk is based on Archimedes' principle.
hygrometer which is used to measure the density of liquid, is also based on Archimedes' principle.
Explanation:
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In physics, there are 3 Newton's laws of motion
Out of the three, the third law states that
' Every action has an equal and opposite reaction'.
This means that to every force applied there will be an equal force applied in the opposite direction which will be called the reaction force.
For example: If we push a block on a floor with 3 N force in the forward direction, then the floor will apply an equal amount of force, that is 3 N, on the block in the backward direction.