QUESTION $7=12{10}^{-5}$ per $1C,E=2{10}^{5}MP.$

o is tensile and the value is $42$MPa.

of is tensile and the value is $84$MPa.

$$ is compressive and the yalue is $24$MPa.

o is compressive and the value is $42$MPa.

of is compressive and the value is $84$MPa.

$$ is tensile and the value is $70$MPa.

$$ is compressive and the value is $70$MPa.

$$ is tensile and the value is $24$MPa.