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Δ = displacement caused when force is increased by a small amount
P = external force applied
N = internal force in the member force applied
L = length of member
A = cross-sectional area of member
E = Modulus of elasticity
Same symbol is used for partial and total differentiation and they are pretty obvious.
What will be change in work done in both case on initial application of load?
  • a)
    p1dΔ1 + dp1 Δ1 + p2dΔ2
  • b)
     1⁄2 p1dΔ1 + dp1 Δ1 + p2dΔ2
  • c)
     1⁄2 p1dΔ1 + 1⁄2 dp1 Δ1 + p2dΔ2
  • d)
     1⁄2 p1dΔ1 + 1⁄2 dp1 Δ1 + 1⁄2 p2dΔ2
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Δ = displacement caused when force is increased by a small amoun...
Answer: d
Explanation: We will get this by just subtracting two works done. This will be termed as dw.
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Δ = displacement caused when force is increased by a small amountP = external force appliedN = internal force in the member force appliedL = length of memberA = cross-sectional area of memberE = Modulus of elasticitySame symbol is used for partial and total differentiation and they are pretty obvious.What will be change in work done in both case on initial application of load?a)p1dΔ1 + dp1 Δ1 + p2dΔ2b)1⁄2p1dΔ1 + dp1 Δ1 + p2dΔ2c)1⁄2p1dΔ1 +1⁄2dp1 Δ1 + p2dΔ2d)1⁄2p1dΔ1 +1⁄2dp1 Δ1 +1⁄2p2dΔ2Correct answer is option 'D'. Can you explain this answer?
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Δ = displacement caused when force is increased by a small amountP = external force appliedN = internal force in the member force appliedL = length of memberA = cross-sectional area of memberE = Modulus of elasticitySame symbol is used for partial and total differentiation and they are pretty obvious.What will be change in work done in both case on initial application of load?a)p1dΔ1 + dp1 Δ1 + p2dΔ2b)1⁄2p1dΔ1 + dp1 Δ1 + p2dΔ2c)1⁄2p1dΔ1 +1⁄2dp1 Δ1 + p2dΔ2d)1⁄2p1dΔ1 +1⁄2dp1 Δ1 +1⁄2p2dΔ2Correct answer is option 'D'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Δ = displacement caused when force is increased by a small amountP = external force appliedN = internal force in the member force appliedL = length of memberA = cross-sectional area of memberE = Modulus of elasticitySame symbol is used for partial and total differentiation and they are pretty obvious.What will be change in work done in both case on initial application of load?a)p1dΔ1 + dp1 Δ1 + p2dΔ2b)1⁄2p1dΔ1 + dp1 Δ1 + p2dΔ2c)1⁄2p1dΔ1 +1⁄2dp1 Δ1 + p2dΔ2d)1⁄2p1dΔ1 +1⁄2dp1 Δ1 +1⁄2p2dΔ2Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Δ = displacement caused when force is increased by a small amountP = external force appliedN = internal force in the member force appliedL = length of memberA = cross-sectional area of memberE = Modulus of elasticitySame symbol is used for partial and total differentiation and they are pretty obvious.What will be change in work done in both case on initial application of load?a)p1dΔ1 + dp1 Δ1 + p2dΔ2b)1⁄2p1dΔ1 + dp1 Δ1 + p2dΔ2c)1⁄2p1dΔ1 +1⁄2dp1 Δ1 + p2dΔ2d)1⁄2p1dΔ1 +1⁄2dp1 Δ1 +1⁄2p2dΔ2Correct answer is option 'D'. Can you explain this answer?.
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