Determine the force P required to move the wedge downwards as shown in Fig.6.
Angle of friction 1515” for all the surfaces.

Fig.6
a) State thetheorems of Pappus and Guldinus. Illustrate it with the determination of
(a) surface area of a cylinder ( Radius R and Length L) (b) Volume of a sphere
of radius R.
b) Determine the support reactions for the beam shown inFig.7by applying principle
of virtual work.

101: 20kN
< ‏وہ لہہ لہ‎
A B
ಹ -- 2m ಶಾ
Fig.7

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