Question

A buildin, fixed support has how many reactions and moment?
1 reaction and 1 moment
2 reactions and 1 moment
1 reaction and 2 moments
Only 2 reactions​

Answer 1

Explanation:

2 reactions and 1 moment

Answer 2

Solution:

Option 4) only 2 reaction is correct.

Explanation:

Your support is fixed and therefore you have two possible reaction forces, vertical and horizontal, Ry and Rx in your diagram. The moment at the fixed support is not normally referred to as a “reaction”.