0000EST100121902

1000N
Fig. (Q14)
Module-III
15 A rectangular concrete slab supports loads in kN at its four corners ೩5 shown ‏سا‎ (14)

Fig (Q15). Determine the resultant and the point of application of the resultant.

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300 mm_ 1
+ >

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4

22, ச்‌ 1
4

6 1
CJ, 400 mm
1
^ |

2

Ag ^ A 1
SSS AA Ap fA
(Lila Lb 0.4.4 hh é

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200 mm, 200 mm, ,

Fig (Q15) Fig (Q16)
16 Find the moment of inertia of a plate with a circular hole in Fig (Q16) about its (14)
centroidal horizontal and vertical axes. Also calculate the radius of gyration
about the x-axis.
Module-IV
17 a) Explain how you can apply Work — Energy Principle in Dynamics (5)

0) Two blocks of 10014 (A) and 5014 (B) are connected by a flexible but (9)
inextensible string as shown in figure (Q17b). Assuming coefficient of friction
between block 10014 and horizontal surface is 0.25, find the acceleration of
masses and tension in the string.

a

Fig.(Q17b)

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