there is no gravity
some boats are made of special materials that allow it to sink very very slowly and or not at all.
The sinking speed of an object depends on its density and shape. Objects with high density and streamlined shape tend to sink faster, while objects with lower density and irregular shape can sink more slowly. The surrounding fluid's properties, such as viscosity and temperature, can also affect how fast something sinks.
objects sink because they are to heavy.
Very slowly and have lots of extra drill bits.
Objects sink when the density of the object is more than that of the water.
Objects sink more slowly in salt water than in fresh water due to salt water being denser. The higher density of salt water creates more buoyant force, which counteracts the gravitational force pulling the object down, causing it to sink at a slower rate.
the objects whose density is more than that of fluid sink in the liquid
If the object is more dense it will sink
irregular objects will sink due to uneven sides on the will not sink
If an objects density is less than the density of what it is put in it will float. If the objects density is greater it will sink.
Objects sink in water because they are denser than water, not necessarily because they are heavier.
The stern of titanic did not sink slowly. Estimates are that it took 5-6 minutes to freefall the 12,600 feet to the bottom.