A 40-Kg Cylinder of Solid Iron Is Supported by a String

question 14

Multiple Choice

A 4.0-kg cylinder of solid iron is supported by a string while submerged in water. What is the tension in the string? The density of iron is $7860 \mathrm {~kg} / \mathrm { m } ^ { 3 }$ and that of water is $1000 \mathrm {~kg} / \mathrm { m } ^ { 3 }$

• A) 34 N
• B) 20 N
• C) 40 N
• D) 24 N
• E) 2.5 N

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