00:01
In the first case, we have given weight of the object in air is 300 newton.
00:08
Weight of the object in water is given as 255 newton.
00:14
Weight of the object in oil is given as 280 newton.
00:20
So an object in this placed in water.
00:23
So the weight of the object in air will be acting downwards and there will be an upward force that will be the buoy force.
00:31
So from the concept of buoyancy we have, so this will be object in water.
00:43
So, weight of the object in air will be equal to weight of the object in water plus the buoy force.
00:50
From this equation we get the buoy force will be equal to weight of the object in air minus weight of the object in water.
00:57
Substuting the values, we get 300 newton minus.
01:02
200 and 55 neutrons from this we get the buoyant force will be equal to 45 neutron the expression for the buoy force will be fb is equal to row gp where row is the fluid fluid density in this case it's water and v is the volume of object.
01:40
So, from this, we can write the volume of the object will be equal to b bx fb divided by g into v...