Building Devices and Vehicles that Move

Alberta Topic C: Building Devices and Vehicles that Move.

5 questions, free, marked as you go with a worked explanation on every one.

What this covers

The questions

  1. What force do wheels reduce, making it easier to move an object?
  2. What provides the push or pull that makes a moving vehicle go?
  3. A catapult mainly makes use of the stored energy in a:
  4. A toy car is pushed and then let go on a smooth floor. Why does it eventually slow down and stop rather than roll forever?
  5. Which pair of materials would create the least friction when rubbed together, helping a toy car roll farthest?

Answer these free