One end of a uniform rod of mass uniform area of cross section A is suspended from the roof and mass is suspended from the other end. What is the stress at the mid point of the rod? |
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a) |
g /A |
b) |
g /A |
c) |
g |
d) |
g |
One end of a uniform rod of mass uniform area of cross section A is suspended from the roof and mass is suspended from the other end. What is the stress at the mid point of the rod? |
|||||||
a) |
g /A |
b) |
g /A |
c) |
g |
d) |
g |
(c) Stress = (weight due to mass half of the weight of rod)/area = = |