A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is_________________?
B. WL/AE
C. W²L/AE
D. W²L/2AE(Correct)
		A. Width b M
B. Width b M
C. Width b 3 M
D. Width b 1/M
		A. WD3n/d4N
B. 2WD3n/d4N
C. 4W²D3n/d4N
D. 8WD3n/d4N
		A. WI/2
B. WI²/4
C. WI²/8
D. WI²/12