A four-bar mechanism with ternary link is shown in Fig.3.9(a). The lengths of various links is given
Question:
A four-bar mechanism with ternary link is shown in Fig.3.9(a). The lengths of various links is given as below:
\[ \begin{aligned} O_{1} O_{2} & =600 \mathrm{~mm}, O_{1} A=300 \mathrm{~mm}, A B=400 \mathrm{~mm}, O_{2} B=450 \mathrm{~mm} \\ A C & =300 \mathrm{~mm}, B C=250 \mathrm{~mm}, A D=100 \mathrm{~mm}, \text { and } \angle A O_{1} O_{2}=75^{\circ} \end{aligned} \]
Angular velocity of crank \(O_{1} A=20 \mathrm{rad} / \mathrm{s}\)
Angular acceleration of crank \(O_{1} A=100 \mathrm{rad} / \mathrm{s}^{2}\)
Determine
(a) acceleration of coupler \(A B\),
(b) acceleration of lever \(O_{2} B\),
(c) acceleration of points \(C\) and \(D\), and
(d) angular acceleration of ternary link.
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