In: Physics
A toy is placed in a fish tank 3/4 of water. Attached to tire is a pulley. The weight of the tire is .36 N outside of water. Weight after tire is pulled under water is .45 N. What is the density of the toy in g/cm3?
The additional mass inside the water is due to the buoyant force. This additional mass is can be called as buoyant mass and it is given by,
where,
= mass of the body in air (or vacuum)
= fluid density
= object density
as it is the ratio of the same quantities(density), it is unitless, so we will consider the density in
this will make no difference.
the density of the water is
this is density of the toy.