A uniform bar of length L, cross-sectional area A, and mass density p is suspended vertically pgL2 from one end. (a) Show that the elongation of the bar is 8 = -, where g is the 2E gravitational acceleration and E is the modulus of elasticity. (b) If the mass of the bar is M, MgL %3D show that 8 = 2AE

Elements Of Electromagnetics
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1. A uniform bar of length L, cross-sectional area A, and mass density p is suspended vertically
from one end. (a) Show that the elongation of the bar is d =
Pgl?
where g is the
2E
gravitational acceleration and E is the modulus of elasticity. (b) If the mass of the bar is M,
MgL
show that 8 =
2AE
PLEASE INCLUDE FBD (FREE BODY DIAGRAM), THANK YOU!
LABEL THE INTERNAL FORCES PROPERLY
Transcribed Image Text:1. A uniform bar of length L, cross-sectional area A, and mass density p is suspended vertically from one end. (a) Show that the elongation of the bar is d = Pgl? where g is the 2E gravitational acceleration and E is the modulus of elasticity. (b) If the mass of the bar is M, MgL show that 8 = 2AE PLEASE INCLUDE FBD (FREE BODY DIAGRAM), THANK YOU! LABEL THE INTERNAL FORCES PROPERLY
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