Game Physics Basics: Concepts and Goals Quiz Quiz

1. Purpose of Game Physics

   What is the main purpose of including physics in a game environment?

   1. A. To simulate realistic movement and interactions between objects
   2. B. To generate game characters automatically
   3. C. To improve the game's music quality
   4. D. To make the game easier for beginners
   5. E. To control the story's dialogue

2. Gravity Concept

   Which of the following best describes how gravity is typically represented in game physics?

   1. A. An upward force pushing all objects away
   2. B. A sideways force that never changes
   3. C. A constant downward force pulling objects toward a surface
   4. D. A spinning force making objects rotate
   5. E. A random force applied only to projectiles

3. Collision Detection

   In a racing game, what does collision detection help determine?

   1. A. The background color of the track
   2. B. The speed of sound effects
   3. C. When two cars touch or crash into each other
   4. D. How many laps have been completed
   5. E. The code used to render the menu

4. Rigid Body Dynamics

   When a bouncing ball keeps its shape but moves around and reacts to surfaces, which concept in game physics is being used?

   1. A. Soft body simulation
   2. B. Rigid body dynamics
   3. C. Static friction only
   4. D. Partial rendering
   5. E. Network synching

5. Friction Example

   If a character slides slowly to a stop on icy ground, which game physics effect is being demonstrated?

   1. A. High friction
   2. B. Opposite force
   3. C. Low friction
   4. D. Spiral acceleration
   5. E. Vector scaling

6. Conservation of Momentum

   In a simple game, two balls of equal mass roll toward each other and bounce apart at the same speed after colliding; which principle does this show?

   1. A. Conservation of color
   2. B. Conservation of momentum
   3. C. Constant velocity
   4. D. Energy depletion
   5. E. Deformation theory

7. Why Approximations?

   Why do most games use simplified physics models instead of exact real-world equations?

   1. A. To make games impossible to play
   2. B. Because exact physics models are always more fun
   3. C. To ensure faster calculations and real-time responsiveness
   4. D. Since computers cannot perform calculations
   5. E. To guarantee random results

8. Trigger Volumes Example

   In a puzzle game, a door opens when a player steps onto a specific area; which game physics concept does this demonstrate?

   1. A. Trigger volumes
   2. B. Sprite animation
   3. C. Momentum transfer
   4. D. Audio cues
   5. E. Optic filtering

9. Simulating Fluids

   Which term is typically used for simulating liquids or gases in a physics engine?

   1. A. Rigid body dynamics
   2. B. Fluid dynamics
   3. C. Static mesh shaping
   4. D. Texture mapping
   5. E. Motion blurring

10. Game Physics Trade-Off

    Which statement best describes a common trade-off when using physics in games?

    1. A. More realistic physics always make games run faster
    2. B. Simpler physics usually means better visual detail
    3. C. Added realism can require more processing power, affecting performance
    4. D. Physics only affects online multiplayer modes
    5. E. Physics settings never impact gameplay