Force and Fan Carts Gizmo.

Force and Fan Carts Gizmo. Vocabulary: force, friction, position, speed Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. If you are pushing a shopping cart and you start pushing harder, what happens? Shopping cart will increase in speed 2. What happens to a shopping cart if you get it rolling and then release it? It will coast and slow down due to friction Gizmo Warm-up 1. In the Gizmo, turn the fan Off. Click Play ( ). Did the cart move? _________________ 2. Click Reset ( ). Press the Low fan speed button to turn on the fan. Click Play. What happened? The cart moved forward 3. A force is something that causes change in motion. What provided the force that made the cart speed up? The speed of the fan increasing 4. The speedometer shows the cart’s speed, or how fast it moves. A speed of 30 cm per second means the cart moves 30 cm every second. What was the final speed of the cart? 122.7 cm/s