Question

A crane lifts a statue from the ocean with a cable. The statue's density is 2700kg/m^3...

A crane lifts a statue from the ocean with a cable. The statue's density is 2700kg/m^3 and it's mass is 2000kg.
What is the torque of the cable when:
a) it lifts the statue while it's still underwater (density of ocean is 1025 kg/m^3)
b) the statue is completely out of the water?

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Answer #1

(9) Volume of the statue : 2000 kg/m 31= .741 me I er TE (P-Swater] vg 1025 )x.741x9.8 T= 12163-52N (b) In air :- T= gug = mg

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