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A straight bar is fixed at edges A and B. Its elastic modulus is E and cross-section is A. There is a load P = 120 N acting at C. Determine the reactions at the ends.
  • a)
    60 N at A, 60 N at B
  • b)
    30 N at A, 90 N at B
  • c)
    40 N at A, 80 N at B
  • d)
    80 N at A, 40 N at B
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A straight bar is fixed at edges A and B. Its elastic modulus is E an...
The FBD can be shown as
δAC + δCB = 0
(Opposite to the direction assumed)
⇒ RB = −80 + 120 = 40N
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Most Upvoted Answer
A straight bar is fixed at edges A and B. Its elastic modulus is E an...
The direction of the reactions should be in direction opposite to the net load
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Community Answer
A straight bar is fixed at edges A and B. Its elastic modulus is E an...
The FBD can be shown as
δAC + δCB = 0
(Opposite to the direction assumed)
⇒ RB = −80 + 120 = 40N
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A straight bar is fixed at edges A and B. Its elastic modulus is E and cross-section is A. There is a load P = 120 N acting at C. Determine the reactions at the ends.a) 60 N at A, 60 N at Bb) 30 N at A, 90 N at Bc) 40 N at A, 80 N at Bd) 80 N at A, 40 N at BCorrect answer is option 'D'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about A straight bar is fixed at edges A and B. Its elastic modulus is E and cross-section is A. There is a load P = 120 N acting at C. Determine the reactions at the ends.a) 60 N at A, 60 N at Bb) 30 N at A, 90 N at Bc) 40 N at A, 80 N at Bd) 80 N at A, 40 N at BCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A straight bar is fixed at edges A and B. Its elastic modulus is E and cross-section is A. There is a load P = 120 N acting at C. Determine the reactions at the ends.a) 60 N at A, 60 N at Bb) 30 N at A, 90 N at Bc) 40 N at A, 80 N at Bd) 80 N at A, 40 N at BCorrect answer is option 'D'. Can you explain this answer?.
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