Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
Which of the following best describes the force that opposes the relative motion of two surfaces in contact?
Which of the following best describes the force that opposes the relative motion of two surfaces in contact?
- Gravity
- Friction (correct)
- Inertia
- Tension
What is the effect of increasing the roughness of surfaces in contact on the force of friction?
What is the effect of increasing the roughness of surfaces in contact on the force of friction?
- Has no effect on the force of friction
- Increases the force of friction (correct)
- Changes the direction of the force of friction
- Decreases the force of friction
Which factor does not affect the force of friction between two surfaces in contact?
Which factor does not affect the force of friction between two surfaces in contact?
- Weight of the object
- Temperature of the surfaces
- Speed of the moving object (correct)
- Surface area in contact
