A bar of diameter d 5 18 mm and length L 5 0.75 m is loaded in tension by forces P. The bar has modulus E 5 45 GPa and allowable normal stress of 180 MPa. The elongation of the bar must not exceed 2.7 mm. The allowable value of forces P is approximately:

(A) 41 kN

(B) 46 kN

(C) 56 kN

(D) 63 kN


(A) 41 kN

Physics & Space Science

You might also like to view...

A 90.% efficient transformer supplies 3.0 Amperes at 6.0 volts. If the input voltage is 120. v, what is the input current?

What will be an ideal response?

Physics & Space Science

A charged capacitor is connected to an ideal inductor. At time t = 0, the charge on the capacitor is equal to 6.00 ?C. At time t = 2.00 ms the charge on the capacitor is zero for the first time. What is the amplitude of the current at that same instant?

A) 2.38 mA B) 4.71 mA C) 0.780 mA D) 1.53 mA E) 1.19 mA

Physics & Space Science

The continuing rise of carbon dioxide concentration in our troposphere is leading to worldwide cooling as dry ice forms at the poles

Indicate whether the statement is true or false

Physics & Space Science

New York is east of Toledo but in the same time zone. When is sunset in Toledo compared to sunset in New York?

What will be an ideal response?

Physics & Space Science