Rolling Friction

Rolling friction is the resistance to motion experienced by a round object rolling over a surface. It is a type of friction that occurs when one object rolls over another object. Rolling friction is different from static friction and sliding friction, which occur when objects are at rest and in motion, respectively.

Factors Affecting Rolling Friction

• Surface roughness: Rough surfaces increase rolling friction.
• Wheel size and shape: Larger wheels experience less rolling friction than smaller wheels.
• Weight of the object: Heavier objects experience more rolling friction.
• Type of material: Different materials have different coefficients of rolling friction.

Examples of Rolling Friction

Some common examples of rolling friction include:

• Rolling a ball on the ground
• Driving a car on a road
• Riding a bicycle

Study Guide Questions

1. What is rolling friction and how does it differ from other types of friction?
2. What factors affect rolling friction?
3. Provide examples of rolling friction in everyday life.
4. How does the size and shape of a wheel affect rolling friction?
5. Explain the relationship between surface roughness and rolling friction.

Studying rolling friction is important for understanding the mechanics of motion and designing efficient transportation systems. Understanding the factors that affect rolling friction can help engineers and designers optimize the performance of wheels and other rolling objects.

[Rolling Friction] Related Worksheets and Study Guides:

• Force and motionScience • First Grade