Understanding Buoyancy and Ship Floating

What historical figure is credited with the principle that explains why ships float?

• Isaac Newton

• Albert Einstein

• Archimedes

• Galileo Galilei

What is the main reason a pebble sinks in water?

• It is less dense than water.

• It is more dense than water.

• It is lighter than water.

• It is the same density as water.

What does Archimedes' principle state about the buoyant force on an object in a fluid?

• It is equal to the weight of the displaced fluid.

• It is greater than the object's weight.

• It is less than the object's weight.

• It is unrelated to the object's weight.

What is the relationship between buoyant force and the weight of the displaced fluid?

• Buoyant force is equal to the weight of the displaced fluid.

• Buoyant force is unrelated.

• Buoyant force is always less.

• Buoyant force is always greater.

How is density calculated?

• Volume divided by mass

• Mass divided by volume

• Weight divided by volume

• Volume divided by weight

What is the effect of a material's density on its buoyant force?

• Density does not affect buoyant force.

• Higher density increases buoyant force.

• Lower density decreases buoyant force.

• Higher density decreases buoyant force.

Why do steel ships float despite being made of dense materials?

• They are made of solid steel.

• They have a hollow design with air inside.

• They are lighter than water.

• They are coated with a special material.

What role does air play in the buoyancy of ships?

• Air decreases the ship's volume.

• Air increases the ship's weight.

• Air has no effect on buoyancy.

• Air reduces the ship's average density.

What happens to a ship's density when water enters its interior?

• The density becomes zero.

• The density remains the same.

• The density increases.

• The density decreases.

What was a significant factor in the sinking of the Titanic?

• The ship was too light.

• The ship had no air inside.

• The ship's density increased due to water intake.

• The ship was made of wood.