Get the Gizmo ready:
Be sure there are no objects on the cart.
should be set to
Question: How does force affect motion?
Run Gizmo: Press
. What was the final speed of the cart? _______________________
: Would the cart’s final speed be higher or lower if the fan were set to
What was the cart’s final speed?
Draw conclusion: Did the cart speed up more quickly with the fan on
the fan provides more force than on
. Make two rules by filling
in the blanks below. (Put the same word in both blanks.)
Force causes the ________________ of the cart to change.
If more force is used, the ________________ of the cart changes more quickly.
Predict: Select the DATA tab. Choose
. This graph shows the cart
speed over time. How would the graph be different if the fan were on
Test: Check your prediction with the Gizmo. What do you observe? ___________________