Student Exploration: Force and Fan Carts
: force, friction, position, speed
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? The cart didn’t move____
). Press the
fan speed button to
turn on the fan. Click
. What happened?
__the cart is moving_______
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?