Student Exploration: Force and Fan Carts
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 shoppin...
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?
m
er as
It will coast and slow down due to friction
co
eH w
o.
Gizmo Warm-up
rs e
ou urc
1. In the Gizmo, turn the fan Off. Click Play ( ). Did the cart move? _________________
o
2. Click Reset ( ). Press the Low fan speed button to
turn on the fan. Click Play. What happened?
aC s
The cart moved forward
vi y re
3. A force is something that causes change in motion.
What provided the force that made the cart speed up?
ed d
ar stu
The speed of the fan increasing
4. The speedometer shows the cart’s speed, or how fast it
is
moves. A speed of 30 cm per second means the cart moves
Th
30 cm every second. What was the final speed of the cart?
122.7 cm/s
sh
5. Friction is a force that works against motion as surfaces rub each other. Click Reset. Select
the No Friction surface. Click Play. What was the final speed this time?
134.3 cm/s
2019
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