Question

30.
A rigid body consists of a 6kg mass located at 11 = (4i+10 j)m and 4kg mass
located at 12 = 8i+4 jm. The position of centre of mass is
88
38
28;
28
28
88
1)
38
12
28
i 3)
5
1)
5
5
5
2)
3)​

Answer 1

Answer:

Length of rod=

(2−4)

2

+(5−2)

2

=

4+9

=

13

Center of mass co-ordinate in M(x,y)

x=

3+2

3×2+4×2

=

5

14

y=

5

3×5+2×2

=

5

19

Explanation:

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Answer 2

Explanation:

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