If you B. Applications and Extensions To assess your understandings of some of this studio's key ideas, your group must

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If You B Applications And Extensions To Assess Your Understandings Of Some Of This Studio S Key Ideas Your Group Must 1 (491 KiB) Viewed 61 times

If you B. Applications and Extensions To assess your understandings of some of this studio's key ideas, your group must answer the following questions together without help from the instructors or other groups. hold your upper arm vertical and your lower arm horizontal with your hand palm-down on a table, as shown in the figure below and now push down on the table, you'll feel that your triceps muscle has contracted and is trying to pivot your lower arm about the elbow joint. 1. If a person with the arm dimensions Triceps shown pushes down hard with a 95-N force, what force must the triceps muscle provide? Ignore the mass of the forearm and hand in your calculation. 2. Estimate the combined mass of the forearm and hand and then redo your work in question B1 with this mass included in your calculations. 2.4 cm 3. Does ignoring the mass significantly effect the value you calculate for the force exerted by the triceps? Explain why or why not. Ik 30 cm