Q.

The greatest and least resultant of two forces acting at a point are 29 Kg wt. and 5 Kg wt. respectively. If each force is increased by 3 Kg wt. the magnitude of the resultant of new forces acting at right angles to each other is 

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a

15 kg wt.

b

35 kg wt.

c

25 kg wt. 

d

45 kg wt.

answer is C.

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Detailed Solution

a+b=29;a-b=5;a1=a+3,b1=b+3

R'=a12+b12

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