The applied force $P$ causes the rigid arm ABC to rotate clockwise about

pin A through an angle of $0\mathrm{.}04$

$($Figure $1)$

Figure

$1$ of $1$

Part A

Determine the normal strain developed in the wire $BD.$

Express your answer using three significant figures.

${}_{BD}=$

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Part B

Determine the normal strain developed in the wire $CE.$

Express your answer using three significant figures.

${}_{CE}=$

$m\frac{m}{m}m$

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