Which type of lever is most common in our body, what is an example of that in our body? 2. A cyclist is cruising down the road, their velocity is 17 m/s and they weigh 145 pounds. If the cyclist cycles for 10 minutes, over a total distance of 400 meters and they pedal against a resistance of 300 N, what is their power? 3. In the picture below, the weight of head anterior and inferior (as if looking down) is 10 lbs and is 4 inches anterior to the fulcrum / center of rotation. The neck extensor muscles are 3 inches posterior to the fulcrum / center of rotation. How much force must the neck extensors produce to keep the head upright? (hint: net torque is zero) 4. David is fighting Goliath. If David's .85m sling is accelerated for 2.5 s at 30 rad/s2 what will be the initial linear velocity of the projected stone