What happens to resistance in the strain gage and voltage drop from a connected Wheatstone bridge if you were to pull the strain gauge along the long axis

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)

The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false