Question

A simply supported beam AB of span 5m is subjected to a point load of 70kN at mid
span The reactions at supports would be​

Answer 1

Explanation:

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Answer 2

Answer:

Concept :

One of the simplest constructions is the simply supported beam. Only two supports are present, one at each end. A pinned support is one, while a roller support is another. In this design, the beam is free to spin but is restrained from any vertical movement at either end. The other support prevents unrestricted horizontal movement, whereas the roller support permits axial expansion and contraction.

Explanation:

Given:

P = 70 kN

L = 5m

To find :  

The reactions?

Solution:

Maximum bending moment

M = PL/4

M = 70*5/4

M = 87.5 kN.m

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