Think about a book on a table. What forces are acting on it? One big force is Earth's gravity. Gravity is a downward force pushing up against it. That force comes from the table. W... Think about a book on a table. What forces are acting on it? One big force is Earth's gravity. Gravity is a downward force pushing up against it. That force comes from the table. Which claim best supports the information above?
Understand the Problem
The question is asking about the forces acting on a book on a table, specifically in relation to gravity and the support force from the table. It seeks to identify which claim best supports the explanation about these forces.
Answer
The two forces are equal in strength. They act in opposite directions.
The two forces are equal in strength. They act in opposite directions.
Answer for screen readers
The two forces are equal in strength. They act in opposite directions.
More Information
Objects at rest on a surface experience balanced forces: gravity pulling down and the normal force pushing up.
Tips
A common mistake is assuming that gravity is not balanced by another force, causing the object to accelerate.
Sources
- Balanced vs. Unbalanced Forces - The Physics Classroom - physicsclassroom.com
- Why do a book on a table have two forces acting on it? - Physics Forums - physicsforums.com
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