The mass of the box is 5kg (the mass center is located in the middle of the box), the mass of a lower arm plus a hand is 1.5 kg (the mass center is located in the middle of the segment), an upper arm weighs 2 kg (the mass center is located in the middle of this segment), and the total mass of the head and torso is 27 kg. Assuming g=10N/kg and 1 iinch=2.54 cm, how large is the force exerted by the back extensor muscles at the L5/S1 in Newtons? How large is the compression force at the L5/S1? How large is the shear force at the L5/S1?

Exercise 15-7 crawford corporation incurred the following transactions. 1. purchased raw materials on account $53,000. 2. raw materials of $45,200 were requisitioned to the factory. an analysis of the materials requisition slips indicated that $9,400 was classified as indirect materials. 3. factory labor costs incurred were $65,400, of which $50,200 pertained to factory wages payable and $15,200 pertained to employer payroll taxes payable. 4. time tickets indicated that $55,000 was direct labor and $10,400 was indirect labor. 5. manufacturing overhead costs incurred on account were $81,700. 6. depreciation on the company’s office building was $8,100. 7. manufacturing overhead was applied at the rate of 160% of direct labor cost. 8. goods costing $89,400 were completed and transferred to finished goods. 9. finished goods costing $76,000 to manufacture were sold on account for $105,100. journalize the transactions. (credit account titles are automatically indented when amount is entered. do not indent manually.) no. account titles and explanation debit credit (1) (2) (3) (4) (5) (6) (7) (8) (9) (to record the sale) (to record the cost of the sale) click if you would like to show work for this question: open show work