📖 From Calculus • 7. Applications of the Definite Integral In Geometry, Science, and Engineering • 23 questions available
Practice MCQs for Calculating Work. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.
🔄 Last updated: 2026-07-16
Q1. A variable force is given by \(F(x)=3x\) N on the interval \([0,4]\) m. What is the work?
💡 Difficulty: easy | ✅ Correct: B
Q2. A rope of length 10 m has linear mass density \(0.5\text{ kg/m}\). If you lift the rope from the bottom, what work is required?
💡 Difficulty: medium | ✅ Correct: A
Q3. Water (\(\rho=1000\text{ kg/m}^{3}\)) fills a hemispherical tank of radius 4 m. Pumping the water to the top requires approximately how much work?
💡 Difficulty: hard | ✅ Correct: A
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