Question

A piece of wood floats on water.

• A. True
• B. False

Answer 1

The correct option is A True

Archimedes principle:

1. The Archimedes Principle, or the law of buoyancy, was first discovered by Archimedes.
2. The law of buoyancy states that at rest, anybody wholly or partially submerged in a fluid (gas or liquid) is acted on by an upward or buoyant force whose magnitude is equal to the weight of the fluid displaced by the body.

Explanation:

1. When an object is in water, two forces interact: Buoyancy and Gravity.

2. Gravity acts in the downward direction and buoyancy acts in the opposite direction, i.e., in upward direction.

3. If you compared the weight of wood and an equal amount of volume of water, the sample of wood would weigh less than the displaced water.

4. Wood has a lower density than water, so, it floats on water. The buoyant force acting on wood in an upward direction is greater, which keeps it floating on the water.