Question 4 (2 points) Listen Loud Fulcrum Offort: Forcare andhand as The human arm is an example of a class three lever. One way to develop muscle is to lift heavy masses. The typical length of the human forearm is 29cm and the typical length from the elbow to where the bicep attaches to forearm is 3cm. Determine the amount of force exerted by the bicep muscle if a weight of 8N is held in the hand. Express your answer to a precision on 1 decimal place. Your Answer: Answer units Question 5 (2 points) Listen The picture shows a pop-bottle opener. Identify the type of simple machine this tool is. Explain