Books Google Drive C calculus 8thEdition c Stewart calaulus Early... MyLab & Mas

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Books Google Drive C calculus 8thEdition c Stewart calaulus Early... MyLab & Mastering I C s 211-Spring17-STINNETT I Activities and Due Dates I HW: Dynamics of Rotational Motion 4/26/2017 06:00 PM 100 Gradebook e Print L calculator Periodic Table estion 1 of Sapling earning Select the situation for which the torque is the largest O The torque is the same for all cases. O The torque is the same for two cases. O A20 kg piece of nint is placed at the end of a 25 m construction crane arm. O A 100 kg piece of copper is placed at the end of a 5 m tree branch. O A8 kg quartz rock is placed at the end of a 62.5 m thin titanium rod. (i Check Answer Next IExit

Explanation / Answer

Torque= rxF

m = 20 kg , L = 25 m

Torque = mgL = 20*9.8*25 = 4900 N.m

m = 100 kg, L = 5m

Torque = mgL = 100*9.8*5 = 4900 N.m

m = 8 kg, L =62.5 m

Torque =8*9.8*62.5 = 4900 N.m

correct option is the torque is the same for all cases

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