xD
is given by
Q4. The formula for normal strain in a longitudinal bar is given by where F = normal force applied A = cross-sectional area of the bar E = Young’s modulus If
Q5. A wooden block is measured to be 60 mm by a ruler and the measurements are considered to be good to 1/4th of a millimeter. Then in the measurement of 60 mm, we have ________ significant digits
0 2 3
Q6. In the calculation of the volume of a cube of nominal size 5", the uncertainty in the measurement of each side is 10%. The uncertainty in the measurement of the volume most nearly is
5.477% 30.00%
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