38. Athin wire is free to rotate in a vertical plane as shown in figure. Abead of mass 'm' slides on the wire. Lagrangian of the bead is: 37 to (a) -m[ +rở*]+ mgr cos0 (b) [+ro*]-mgr cos 0 ()+r* sin° o0°]- mgr cos0

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Athin wire is free to rotate in a vertical plane as shown in figure. A bead of mass 'm'
slides on the wire. Lagrangian of the bead is :
38.
37
to
(a) -m+o*]+ mgr cose
(b) -+o*]-mgr cose
(e) -m[r²+r*sin* oö° 7+
+ mgr cos 0
+r sin
-mgr cos 0
Transcribed Image Text:Athin wire is free to rotate in a vertical plane as shown in figure. A bead of mass 'm' slides on the wire. Lagrangian of the bead is : 38. 37 to (a) -m+o*]+ mgr cose (b) -+o*]-mgr cose (e) -m[r²+r*sin* oö° 7+ + mgr cos 0 +r sin -mgr cos 0
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