Question

A rod AB 2.5 m long is supported at A and B. The rod is carrying a point load of 5 kN at a distnace of 1 m from A. What are the reaction at A and B?​

Answer 1

Explanation:

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Answer 2

Given:

AB = 2.5m long is supported at A and B.

The rod is carrying a point load of 5kN at a distance of 1m from A.

To Find:

The reaction at A and B.

Solution:

$R_{A} + R_{B}$ = 5kN

Taking moment at A

$R_{A} (0) + R_{B}(2.5) - 5(1) = 0$

$R_{B}(2.5) = 5$

$R_{B}$ = 2kN

$R_{A}= 5kN - 2kN$

Reaction at A $R_{A}$ = 3kN

Reaction at B $R_{B}$ = 2kN