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5.4.71 If a person bends at the waist with a straight back making an angle of 0 degrees with the horizontal, then the force F exerted on the back muscles can be modeled by the equation shown below, where W is the weight of the person. Complete parts (a) through (c). 0.6W sin (0+90°) F= sin 12° (a) Calculate F when W = 190 lb and 0= 35°. F= Ib (Round to the nearest pound as needed.)

5.4.71 If a person bends at the waist with a straight back making an angle of 0 degrees with the horizontal, then the force F exerted on the back muscles can be modeled by the equation shown below, where W is the weight of the person. Complete parts (a) through (c). 0.6W sin (0+90°) F= sin 12° (a) Calculate F when W = 190 lb and 0= 35°. F= Ib (Round to the nearest pound as needed.)

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter67: Analysis Of Trigonometric Functions
Section: Chapter Questions
Problem 12A
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Question
5.4.71 If a person bends at the waist with a straight back making an angle of 0 degrees with the horizontal, then the force F exerted on the back muscles can be modeled by the equation shown below, where W is the weight of the person. Complete parts (a) through (c). Question Help 0.6W sin (0+90°) F = sin 12° (a) Calculate F when W= 190 lb and 0= 35° F = lb (Round to the nearest pound as needed.) ? Enter your answer in the answer box and then click Check Answer. 3 parts remaining Clear All Check Answer DII DD F12 000 F10 20 F7 F8 F9 F6 F5 F4 F3 esc F2 F1 & $ de %3D @ #3 7 4 1 2 Y W E R Q tab K F G H A S lock B N M 00 LO
Transcribed Image Text:5.4.71 If a person bends at the waist with a straight back making an angle of 0 degrees with the horizontal, then the force F exerted on the back muscles can be modeled by the equation shown below, where W is the weight of the person. Complete parts (a) through (c). Question Help 0.6W sin (0+90°) F = sin 12° (a) Calculate F when W= 190 lb and 0= 35° F = lb (Round to the nearest pound as needed.) ? Enter your answer in the answer box and then click Check Answer. 3 parts remaining Clear All Check Answer DII DD F12 000 F10 20 F7 F8 F9 F6 F5 F4 F3 esc F2 F1 & $ de %3D @ #3 7 4 1 2 Y W E R Q tab K F G H A S lock B N M 00 LO
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