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When you change the shape you are also changing the density of the object, like for instance if you take a paper boat and put it into water it will float, but if you shape something into a ball it becomes compact and will sink. that is because its weight is more than what the displaced water weighs.

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How does the shape of the boat effect it to sink or float?

The science is called "displacement". If the shape of the boat allows the amount of the boat in the water to be less weight than the water it displaces it will float. If the amount of the boat in the water weighs more than the water it displaces it will sink.


How does the shape make a boat float?

The shape of a boat with a hull that displaces water creates buoyancy. When the boat sits in water, the displaced water exerts an equal and opposite force on the boat, pushing it upwards. This buoyant force allows the boat to float on the water's surface.


What force allows boats to float?

Buoyancy is the force that allows boats to float. When a boat displaces water, it experiences an upward force equal to the weight of the water it displaces, keeping it afloat.


How does the design of large boats allow them to float?

no design matters. it is the force of water resistance and upthrust that are level that allows any boat to float


Does gravity allow a boat to float on water?

Without gravity, a boat wouldn't be able to float on water, so yes, gravity allows a boat to float (as well as sink into) water. A boat floats from buoyancy force. The buoyancy force is from the volume of water it displaces with it's shape below the water. The buoyancy force is equal to the volume of water it displaces multiplied by 62.4 lbs. per cubic foot (the density of water). So if the boat displaces 20 cubic feet of water with it's hull or shape it can hold 20 x 62.4 = 1248 lbs. of self weight plus cargo. Obviously there should be a factor of safety on that. In summary, a boat needs two things to float on water: Gravity and buoyancy force. Gravity keeps the boat on the water in the first place, but the buoyancy force is the actual thing that keeps the boat afloat. Technically, it is the buoyancy force that allows a boat to float, but if you want to get really technical, it is gravity in the first place that allows a boat to float on water.


Will a boat float on liquid soap?

Yes the boat will float on liquid soap


How can a boat float and don't sink?

because the boat is made out of stuff that can float


What is a boat that can float on water?

wow that's sad a boat that can float is any tye of boat that doesnt have a hole in it


What allows a aluminum boat to float with pennies in it?

An aluminum boat floats due to its hull displacing water, creating buoyant force greater than its weight. By adding pennies, the weight increases, but as long as the buoyant force generated by displacing water is greater than the total weight (boat + pennies), the boat will continue to float.


How doboats float without sinking?

Boats float due to a concept called buoyancy. When a boat displaces water equal to its weight, the force of buoyancy pushes upward on the boat, counteracting the force of gravity pulling it down. This allows the boat to stay afloat on the water rather than sinking.


Can a paper boat float?

Yes, a paper boat can float on water as long as it is well-made and the paper is not too thin. The boat's ability to float depends on its design and the displacement of water.


What paper boat floats the longest?

The paper boat with the largest volume will float the longest basically the largest paper boat will float the longest.