Question

A cantilever of 2m length carries a point load of 20 KN at 0.8 m from the fixed end and
another point of 5 KN at the free end. In addition, a u.d.l. of 15 KN/m is spread over the
entire length of the cantilever. Draw the S.F.D, and B.M.D​

Answer 1

Answer:

Support Reaction Calculation

ΣFy=0ΣFy=0

RA−4−(2x2)=0RA−4−(2x2)=0

RA=8kNRA=8kN

Shear Force Calculations:

(F)A=+8kN(F)A=+8kN

(FR)A=+8kN(FR)A=+8kN

(F)C=+8kN(F)C=+8kN

(F)B=+4=4kN(F)B=+4=4kN

(FR)B=4−4=0kN(FR)B=4−4=0kN

Bending Moment Calculations:

MB=0kN−mBisfreeend.MB=0kN−mBisfreeend.

MC=−(4x2)−(2x2)x1=−12kN−mMC=−(4x2)−(2x2)x1=−12kN−m

M