tail
When the ship sank I used a lifebelt to help me keep afloat.
It's spikes
Glaze and fat
They are filled with air, which is less dense than water, therefore keeping you afloat.
To find the upthrust needed to keep a 1600 N object afloat, you need to consider the weight of the object. The upthrust must equal the weight of the object for it to stay afloat, so the upthrust required would be 1600 N.
It is to keep a plant or seaweed afloat on water.
No, not the ones deployed in an accident.
To keep afloat
If the object is less dense than water, the water will be able to keep it afloat. If the object is more dense than water, the water will not be able to keep it afloat, and it will sink.
to keep safe
Being able to use the turbulence in the water to help them stay afloat is one adaptation that the plankton has to keep themselves afloat. They also use structures near the surface of the water to help them.
Swim bladder