Types of Forces Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. Which of these is a non-contact force?
- A. Friction
- B. Normal contact force
- C. Gravitational force
- D. Air resistance
2. Which quantity has both magnitude and direction?
- A. Mass
- B. Speed
- C. Force
- D. Energy
3. If object A pushes on object B with a force of 10 N, what force does B exert on A?
- A. 0 N
- B. 5 N in the same direction
- C. 10 N in the opposite direction
- D. 20 N in the opposite direction
4. What does it mean for an object to be in equilibrium?
- A. It is accelerating rapidly
- B. The resultant force on it is zero
- C. All forces on it are contact forces
- D. It has no mass
5. A crate resists being pushed across a rough floor due to friction, which wastes energy as heat. Which method would best reduce this unwanted energy transfer?
- A. Increasing the crate's mass
- B. Applying lubrication between the crate and floor
- C. Increasing the contact area
- D. Removing the normal contact force