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A simply supported beam PQ is loaded by a moment of 1 kN-m at the mid-span of the beam as shown in the figure. The reaction forces RP and RQ at supports P and Q respectively are
  • a)
    1 kN downward, 1 kN upward
  • b)
    0.5 kN upward, 0.5 kN downward
  • c)
    0.5 kN downward, 0.5 kN upward
  • d)
    1 kN upward, 1 kN upward
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A simply supported beam PQ is loaded by a moment of 1 kN-m at the mid-...
Equilibrium Conditions:

Calculation:
Given:

Now, we know that
Balancing vertical forces by 

RP + RQ = 0 ... (1)
Now,
Taking moment about point 'P'

1 = RQ × 1 ⇒ RQ = 1 kN (upward)
Then, from equation (1), we get
RP = 0 - 1 
∴ Rp = -1 kN = 1 kN (downward)
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A simply supported beam PQ is loaded by a moment of 1 kN-m at the mid-span of the beam as shown in the figure. The reaction forces RP and RQ at supports P and Q respectively area)1 kN downward, 1 kN upwardb)0.5 kN upward, 0.5 kN downwardc)0.5 kN downward, 0.5 kN upwardd)1 kN upward, 1 kN upwardCorrect answer is option 'A'. Can you explain this answer?
Question Description
A simply supported beam PQ is loaded by a moment of 1 kN-m at the mid-span of the beam as shown in the figure. The reaction forces RP and RQ at supports P and Q respectively area)1 kN downward, 1 kN upwardb)0.5 kN upward, 0.5 kN downwardc)0.5 kN downward, 0.5 kN upwardd)1 kN upward, 1 kN upwardCorrect answer is option 'A'. 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 simply supported beam PQ is loaded by a moment of 1 kN-m at the mid-span of the beam as shown in the figure. The reaction forces RP and RQ at supports P and Q respectively area)1 kN downward, 1 kN upwardb)0.5 kN upward, 0.5 kN downwardc)0.5 kN downward, 0.5 kN upwardd)1 kN upward, 1 kN upwardCorrect answer is option 'A'. 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 simply supported beam PQ is loaded by a moment of 1 kN-m at the mid-span of the beam as shown in the figure. The reaction forces RP and RQ at supports P and Q respectively area)1 kN downward, 1 kN upwardb)0.5 kN upward, 0.5 kN downwardc)0.5 kN downward, 0.5 kN upwardd)1 kN upward, 1 kN upwardCorrect answer is option 'A'. Can you explain this answer?.
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