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A crane is used to lower weights into the sea (seawater density = 1025 kg/m3) for an underwater construction project. What is the percentage reduction in the tension in the rope of the crane due to a rectangular 0.4 m × 0.4 m × 3 m concrete block (density = 2300 kg/m3) when it is completely immersed in water compared to the tension in the rope when it was suspended in air
  • a)
    45%
  • b)
    55%
  • c)
    65%
  • d)
    75%
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A crane is used to lower weights into the sea (seawater density = 1025...
Tension in air (T1) = mg = 
When immersed in the water then tension in water (T2) = 
% reduction in tension in rope is
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A crane is used to lower weights into the sea (seawater density = 1025 kg/m3) for an underwater construction project. What is the percentage reduction in the tension in the rope of the crane due to a rectangular 0.4 m × 0.4 m × 3 m concrete block (density = 2300 kg/m3) when it is completely immersed in water compared to the tension in the rope when it was suspended in aira)45%b)55%c)65%d)75%Correct answer is option 'A'. Can you explain this answer? for EmSAT Achieve 2025 is part of EmSAT Achieve preparation. The Question and answers have been prepared according to the EmSAT Achieve exam syllabus. Information about A crane is used to lower weights into the sea (seawater density = 1025 kg/m3) for an underwater construction project. What is the percentage reduction in the tension in the rope of the crane due to a rectangular 0.4 m × 0.4 m × 3 m concrete block (density = 2300 kg/m3) when it is completely immersed in water compared to the tension in the rope when it was suspended in aira)45%b)55%c)65%d)75%Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for EmSAT Achieve 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A crane is used to lower weights into the sea (seawater density = 1025 kg/m3) for an underwater construction project. What is the percentage reduction in the tension in the rope of the crane due to a rectangular 0.4 m × 0.4 m × 3 m concrete block (density = 2300 kg/m3) when it is completely immersed in water compared to the tension in the rope when it was suspended in aira)45%b)55%c)65%d)75%Correct answer is option 'A'. Can you explain this answer?.
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