Chapter 1: Q10DQ (page 389)

Which has a greater buoyant force on it: a $25 {cm}^{3}$ piece of wood floating with part of its volume above water or a $25 {cm}^{3}$ piece of submerged iron? Or, must you know their masses before you can answer? Explain.

Short Answer

Expert verified

The iron piece will have the greater buoyant force.

Step by step solution

Understanding the buoyant force

In order to determine the greater buoyant force, firstly evaluate the weight of the water displaced by each component.

Determining the buoyant force on wood and iron

The volume of both component wood and iron is equal. The mass of the components is not an essential part of this question to find the greater buoyant force. As given in the question, the piece of wood is floating in the water, and a part of its volume is above the water's surface, whereas on the other hand, the iron piece is fully submerged in the water.

The water displaced by the iron piece will be greater than the water displaced by the piece of wood because it is completely submerged. So, the buoyant force will be greater on the iron piece.

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Which has a greater buoyant force on it: a $25 {cm}^{3}$ piece of wood floating with part of its volume above water or a $25 {cm}^{3}$ piece of submerged iron? Or, must you know their masses before you can answer? Explain.

Short Answer

Step by step solution

Understanding the buoyant force

Determining the buoyant force on wood and iron

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Which has a greater buoyant force on it: a25cm3piece of wood floating with part of its volume above water or a25cm3piece of submerged iron? Or, must you know their masses before you can answer? Explain.

Short Answer

Step by step solution

Understanding the buoyant force

Determining the buoyant force on wood and iron

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Physics Textbooks

Translational Dynamics

Mechanics and Materials

Electrostatics

Electricity

Linear Momentum

Turning Points in Physics

Study anywhere. Anytime. Across all devices.

Which has a greater buoyant force on it: a $25 {cm}^{3}$ piece of wood floating with part of its volume above water or a $25 {cm}^{3}$ piece of submerged iron? Or, must you know their masses before you can answer? Explain.