Question

What are the support reactions at the fixed end of the cantilever beam shown in the diagram below?

• A. 120 kN, 120 kN-m
• B. 120 kN, 240 kN-m
• C. 240 kN, 120 kN-m
• D. 120 kN, 60 kN-m

Answer 1

The correct option is A 120 kN, 120 kN-m

(a)
Vertical reaction, R= 120 kN
The centroid of the load is at 1 m from the support and therefore the moment
= load $\times$ centroid distance from support
Moment = 120 $\times$ 1 = 120 kN-m