A truss has 10 members and 5 joints. Is it:

Statically Determinate

Statically Indeterminate

Unstable

Statically Determinate?

Is the following equation true:?

2j = m + 3 where
j = joints and m = members

Plug in j = 5 and m = 10

2(5) = 10 + 3

10 < 13

Final Answer


Since 2j < m + 3, the truss is
Statically Indeterminate

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