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Masses 8kg, 2kg, 4kg and 2kg are placed at the corners A, B, C AND D respectively of a square ABCD of diadonal 80cm. The distance of th c


KARSANG YANI 27th Aug, 2019
Answer (1)
ADITYA KUMAR Student Expert 27th Aug, 2019
Hello there!

Greetings!

Centre of mass is given by = (m1x1+m2x2+m3x3+m4x4)/(m1+m2+m3+m4)

where m is the respective mass and x is the respective distance with respect to A ( in metres)

the diagonal of a square is 0.8 metres therefore using pythogoras law each side is of a distance 0.56 metres.

therefore centre of mass is = (8*0+2*0.56+4*0.8+2*0.56)/(8+2+4+2)=0.34 metres from A.

thankyou

1 Comment
Comments (1)
11th Sep, 2019
Adithya Kumar pls answer to my question also
Reply

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