× Chegg Study | Guided Solut+ LON-CAPA Lunch tray My Pitt Home k2mathpittedu/res

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× Chegg Study | Guided Solut+ LON-CAPA Lunch tray My Pitt Home k2mathpittedu/res/wiley/cutnel/Physics,Bed/Chapo9/q-probo919a.p homework2.mat 2181 PHYS 0174 Basic Physics for s Connor J Willson (Student section: 11515) course contents» » Hw9 » Lunch tray A lunch tray is being held in one hand, as the drawing below illustrates. 1 The mass of the tray itself is 0.190 kg, and its center of gravity is located at its geometrical center. Or 0.131 m, L) = 0.234 m, L4 .368 m and Ls 0.398 m. Obtain the force T exerted by the thumb (e which is being held parallel to the ground downup Submit Answer Tries 0/20 Post Discussion O Type here to search

Explanation / Answer

balancong moment about the F point,

(L2 - L1)T - (L3 - L2)(1.34g) - (L4 - L2)(0.278) - ((L5/2 - L2)(0.190g)) = 0

0.071T - 0.138g - 0.0659g - 0.01292g = 0

T = 3.05g = 30 N down

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