Student Exploration: Force and Fan Carts
: force, friction, position, speed
Force: A push or a pull
Friction: A force that opposes motion between two surfaces that are in contact
Mass: The amount of matter in an object
Position: The location of an object
Speed: How quickly an object is moving/how quickly the position of an object is changing
Prior Knowledge Questions
(Do these BEFORE using the Gizmo.)
If you are pushing a shopping cart and you start pushing harder, what happens?
What happens to a shopping cart if you get it rolling and then release it?
In the Gizmo, turn the fan
). Did the cart move? ______
). Press the
fan speed button to
turn on the fan. Click
. What happened?
is something that causes change in motion.
What provided the force that made the cart speed up?
The speedometer shows the cart’s
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?
is a force that works against motion as surfaces rub each other. Click
. What was the final speed this time?