A uniform rod of length L and density 
is being pulled along a smooth floor with a horizontal acceleration 
(see figure). The magnitude of the stress at the transverse crosssection through the mid-point of the rod is.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Let A be the area of cross-section of the rod.
FBD of rod at mid-point:
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