Lami's theorem

Q.  According to Lami's theorem, a body is in equilibrium condition if each force among three ____________ are proportional to sine angle between other two.
- Published on 18 Sep 15

a. coplanar, collinear forces
b. collinear, non-concurrent forces
c. coplanar, non-concurrent forces
d. coplanar, concurrent forces

ANSWER: coplanar, concurrent forces

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  • Sravanthi   -Posted on 16 Dec 15
    - According to Lami's theorem, a body is in equilibrium condition if each force among three coplanar, concurrent forces are proportional to sine angle between other two.



    The mathematical representation of Lami's theorem is given as follows:

    (P / sin α) = (Q / sin β) = (R / sin γ)

    This equation relates the magnitude of three coplanar, concurrent and non-collinear forces which maintain a body in static equilibrium.

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