c. The speed of the car will remain constant (or it will not change).
d. The car will accelerate (or speed up).
e. The car will decelerate (or slow down).
f. Friction (or air resistance, or gravity, or weight).
g. Opposite to the direction of motion (or backwards, or downwards for gravity/weight).
a. An arrow pointing towards Linda (to the right in the diagram).
b. An arrow pointing away from Linda (to the left in the diagram).
c. i. The dog will stop pulling and may sit or stand still.
c. ii. Linda will stumble forward or lose her balance.
Parent Tip: Review the logic above to help your child master the concept of balanced and unbalanced forces worksheet.