Name:_________________________

1. Name:_________________________ Free Body Diagram Review 1. You decide to “rest your eyes” for a minute during Physics class. Your head is resting gently on your desk. What forces are acting on your head? Draw the free body diagram of your head below. 2. You’re at O’Hare, and you think you see Kim Kardashian rolling her suitcase along the ground. What kind of friction is present? _________________________ Draw a free body diagram of Kim K’s suitcase below, as it rolls along the ground. 3. You decide to fulfill your life-long goal of bungee jumping! Draw a free body diagram of your body below, as you hang from the bungee cord (you are not moving). As your body traveled through the air, what kind of friction was present? ________________________________

2. 4. The following year, you go skydiving instead! Your parachute opens 6 seconds after you jump, and you float safely to the ground. What kind of friction is present after you jump (and even more so after you open your parachute?) _________________________________________ Draw a free body diagram of your body and parachute as you float to Earth. 5. You’re training for a triathlon, and you drag a heavy weight across the ground. The weight is attached to a rope. What kind of friction is present? ___________________ Draw the free body diagram of you dragging the weight. 6. A monkey hangs motionless from a tree branch. Draw the free body diagram below. 7. You slide a hockey puck down the ice, and it glides to the left at a constant speed. What kind of friction is present? __________________________ Draw the free body diagram below.