Free Body Diagrams

Force Scenarios forStudent Diagrams

Drawing One and Two

1) Draw the forces on a pool ball sitting at rest on a pool table.

2) Draw the forces on a pool ball as it is struck by a cue stick while sitting on the table.

Drawing Three, Four, and Five

Draw the forces on:3) A Car driving at a

constant speed down the freeway.

4) A police car accelerating to chase a car.

5) A car decelerating when he sees the lights in his mirror.

Drawing Six and Seven

Draw the forces on:

6) A man being pulled off the ground by an enormous helium filled balloon on a windless day.

7) A man being pulled off the ground by an enormous balloon with a strong wind blowing from behind.

Drawing 8 and 9

Draw the forces on:

8) An airplane accelerating forward during takeoff.

9) A plane moving forward and upward at a constant speed.

Drawings 10, 11, and 12

Draw the forces on:

10) A car being towed at a constant speed.

11) A tow truck accelerating while pulling a car

12) A tow truck coming to a stop while pulling a car.

Check for Understanding

Do you understand these terms now? Force Unbalanced Force Friction Force (Ff) Normal Force (FN) Applied Force (FA) Tension (FT) Weight (Fg) Lift (FL) Equilibrium