need help with 3 questions

Class Management | Help 11. Circular Dynamics Begin Date: 5/17/2022 12:01:00 AM -- Due Date: 5/27/2022 11:59:00 PM End Date: 5/27/2022 11:59:00 PM (5%) Problem 14: Consider a rigid steel beam of length L = 13.5 m and mass mb - 384 kg resting on X two supports, one at each end. A worker of mass my = 77 kg sits on the beam at a distance x from support A. Refer to the figure, though note that it is not drawn to scale. A B L A 33% Part (a) Enter an expression for the force support B must exert on the beam in order for it to remain at rest, in terms of defined quantities, x, and g. Grade Summary FB Deductions 0% Potential 100% Y 9 HOME Submissions A d 4 6 Attempts remaining: 15 g (1% per attempt) h 2 3 detailed view m M... + ENDi ' 33% Part (3) Enter an expression for the force support B must exert on the beam in order for it to remain at rest, in terms of dened quanties, x, and g. an A 33% Part (b) When the worker sits at a distance x = 3.5 m from support A, calculate the force, in newtons, that support B must exert on the beam in order for it to remain at rest. Use g with three signicant gures. Grade Summary FE : i Deductions 0% Potential 100% Submissions Attempts remaining: E 1 1% per attempt) detailed view tanhO Degrees O Radians Submit Hint _ I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. i A 33% Part (c) The force exerted on the beam by support A is measured and found to be F A : 2110 N. At What distance x, in meters, from support A is the worker sitting now? AllenntmtZOZZExperlTA,LLC > 4 1ttps://usb06ca.theexpertta.com/Common/TakeTutorialAssignmentaspx A\" {a G W V 3 'Fl {3 I {'5 . " i 5 33% Part (11) Enter an expression for the force support B must exert on the beam in order for it to remain at rest, in terms of dened quantities1 x, and g. i 5 33% Part (b) When the worker sits at a distance x : 3.5 m from support A, calculate the force, in newtons, that support B must exert on the beam in order for it to remain at rest. Use g with three signicant gures. 9 3 33% Part (c) The force exerted on the beam by supportA is measured and found to be F A = 2110 N. At what distance x, in meters, om support A is the worker sitting now? Grade Summary x 2 i Deductions 0% Potential 100% Submissions Attempts remaining: E (m per attempt) detailed View Degrees O Radians Submit Hint _ I give up! Hints: 0% deduction per hint. Hints remaining: 3 Feedback: 0% deduction per feedback. AchntthZOZZExperlTA,LIE