How can you verify Archimedes' principle by using a spring balance and an overflow jar?
Answers
Answer:
Archimedes principle states that when a body is immersed wholly or partially in a liquid, it experiences an upward buoyant force of magnitude equal to the weight of the liquid displaced by it.
Buoyant force = Weight of displaced liquid
= Mass of the displaced liquid × Acceleration due to gravity
= Density of the liquid × Volume of the displaced liquid × Acceleration due to gravity
Since,
Volume of the displaced liquid = Volume of the object that is immersed in the liquid
∴Weight of the displaced liquid = Volume of the object immersed in the liquid × Density of the liquid × Acceleration due to gravity
Archimedes principle can be verified by the following experiment:
Take a tumbler of water and place the tumbler in a beaker of known weight. Take a small stone and measure the weight of the stone by a spring balance. Note down this weight. Now, dip the stone completely in the tumbler slowly. Water from the tumbler will flow down to the beaker. Gently take away the tumbler. Measure the weight of the beaker. You can find that, the increased weight of the beaker is same as the weight of the stone.