Question

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Two scales are placed two meters apart and a board is put with one and on each, as in the lab. A person is lying on the board, with the feet right at scale 1 Inght on the line in the lab experiment). The two scales read m 432 kg and m2 383 kg. Calculate the height of the center of mass of the person lying on the board O 0% O O O

Answer 1

Solution Scala Distance between two scales = d = 2 m Let Scale first read my = 43.2 kg and scale second read me = 38.3 kg. am ta=0 Scalet Now y the height of scale first om then height of scale second = 2m = d. Let the centre of mass lie xm away from first scale then around the centre of mass, the mass movement is given by 43.2 x 2 = 38.3 (2-x) 43.2 x = 76-6-30-32 81.5x = 76.6 x = 76.6 – 0.938 m. Q1.5 x= 0.94m Height of centre of mass is given by x = 0.94m.