Questions
Three points particles of masses 1.0kg, 1.5kg and 2.5kg are placed at three corners of right angle triangle of sides 4.0cm, 3.0cm and 5.0cm as shown in the figure. The centre of mass of the system is at a point.
detailed solution
Correct option is B
Take 1kg mass at originCoordinates of 1 kg : 0,0Coordinates of 1.5 kg : 3,0Coordinates of 2.5 kg : 0,4Xcm=∑ mx∑ m⇒Xcm=1×0+1.5×3+2.5×05=0.9cm and Ycm=∑ my∑ mYcm=1×0+1.5×0+2.5×45=2cmTalk to our academic expert!
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Point C divides line joining A(1,2,3)m and B(2,4,-6)m in 2 : 1. If the position vector of point C is
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