Class Management | Help HW 5 - Springs and Balance Begin Date: 2/18/2024 12:01:00 AM -- Due Date: 3/8/2024 11:59:00 PM End Date: 6/1/2024 11:59:00 PM (17%) Problem 6: Even when the head is held erect, as shown in the figure, its center of mass is not directly over the principal point of support (the atlanto-occipital joint). The muscles at the back of the neck should therefore exert a force to keep the head erect. That is why your head falls forward when you fall asleep in class. F & 50% Part (a) If the head has a weight of 48.8 N, calculate the force in units of newtons exerted by these muscles using the information in the figure. Grade Summary Fm=| N Deductions 0% Potential 100% Late Work % 50% sin() cos() tan() 7 (| W 7 | 8| o (IS Late Potential 50% cotan() | asin) | acos) |E| | | 4|5|6| P atan() | acotan() | sinh() 23 Attempts remaining: 6 2% per attempt) cosh() | tamh() | cotanh() +[-] o [.[TE detailed view O Degrees Radians Y0 CLEAR Submit Hint 1 give up! Hints: (0% deduction per hint. Hints remaining: 2 Feedback: (% deduction per feedback. [ & 50% Part (b) What is the force in newtons exerted by the pivot on the head