An aluminum cantilever beam of length L 5 0.65 m carries a distributed load, which includes its own weight, of intensity q/2 at A and q at B. The beam cross section has a width of 50 mm and a height of 170 mm. Allowable bending stress is 95 MPa and allowable shear stress is 12 MPa. The permissible value of load inten- sity q is approximately:
(A) 110 kN/m
(B) 122 kN/m
(C) 130 kN/m
(D) 139 kN/m
(C) 130 kN/m
Physics & Space Science
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Physics & Space Science
The speed of sound in air is a function of which one of the following?
a. wavelength c. temperature b. frequency d. amplitude
Physics & Space Science
The continuing rise in the carbon dioxide in our atmosphere should cause our surface temperatures to rise
Indicate whether the statement is true or false
Physics & Space Science
Simple harmonic motion
A. occurs when there are no forces on the system B. requires a constant force C. requires a force which is not constant, but varies directly with position D. requires a force which is not constant, but varies inversely with position
Physics & Space Science