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A prismatic bar is supported between two rigid supports as shown in figure. The support reaction will be

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MPPSC AE Mechanical Official Paper (Held on 3 July 2022)
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  3. RA = 10 kN, RB = 10 kN
  4. RA = 5 kN, RB = 5 kN

Answer (Detailed Solution Below)

Option 2 :
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Detailed Solution

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Calculation

Referring to the :

RA =  RB + 10

Using the compatibility equation

And,

RB = (20/3) - 10 = -10/3 kN

So, the assumed direction for RB is not correct. RB will be in the opposite direction to the assumed direction.

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