Question: ( a ) A test will be conducted on the assemblage shown in Figure 1 . Bar A 1 , A 2 and B are

(a) A test will be conducted on the assemblage shown in Figure 1. Bar
A1,A2 and B are made using the same material. The cross-sectional
areas for all three bars are the same. It is predicted that bar B will
break first. Give explanation with the use of suitable free body diagram
and concept of strength to support the above prediction.
Satu ujian akan dijalankan ke atas struktur yang ditunjukkan dalam
Rajah 1. Bar A1, A2 dan B dibuat daripada bahan yang sama. Luas
keratan rentas untuk ketiga-tiga bar adalah sama. Jangkaan yang
dibuat adalah bar B akan putus dahulu. Berikan penerangan dengan
penggunaan gambarajah jasad bebas yang sesual dan konsep
kekuatan bahan untuk menyokong jangkaan di atas.
[4 marks/markah]
Figure 1/Rajah 1
( a ) A test will be conducted on the assemblage

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