Multiple choice

Consider the beam ABCD and the influence line as shown below. The inflience the pertains to

  1. reaction at A, RA

  2. shear force at B, VB

  3. shear force on the left of C, $V_c^-$
  4. shear force on the right of C, $V_c^+$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 $\text{As per muller's, Breslau\s principle}\\ \text{It should be shear force at $R_B$ which varies from A to}\\ \text{B only and maximum at B when load applied at B.}$