Posted by anna on Monday, January 3, 2011 at 1:04pm.
consider 4 masses mA=1kg, mB=2kg, mC=3kg, mD=4kg, placed at the vertices of a square ABCD of side 4cm. Specify the position of G the center of mass of the system{A,B,C,D}.
determine the position of G.
Thank you :)

physics  bobpursley, Monday, January 3, 2011 at 1:53pm
well it is easy.
consider CMx:
CMx*totalmass=mA*locationA+ massB*locationB+ ...
CMx*10kg=1kg*0+2kg*4cm+3kg*4cm+4kg*0
CMx= 20cm/10= 2cm
CMy*10kg= 1kg*0+2kg*0+ 3kg*4cm+4kg*4cm
Cmy= 2.8cm
check my work.
I located the square with A at the origin, B at 4,0, C at 4,4, and D at 0,4
Answer This Question
Related Questions
 physics  four particles of masses 1kg, 2kg,3kg, and 4kg are at vertices of a ...
 college physics  Three blocks of mass 1kg,2kg and 3kg move on a frictionless ...
 science  locate the position of the centre of mass of a system of particles of ...
 PHYSICS  3 PARTICLES OF MASS 1KG,2KG,3KG PLACED AT CORNER A,B,C OF AN ...
 Physics  Four masses (2kg 3kg 1kg and 2kg) are arranged on a square of side 1.2...
 science  four bodies of mass 1kg, 2kg,3kg, and 4 kg are situated at four ...
 physics(check my answer)  can you tell me what i did wrong on this problem ...
 physics  3 points particles with masses 4kg,2kg,3kg are at the corners of ...
 chemistry  can you tell me what i did wrong on this problem Rigid rods of ...
 science[physics]  three masses 3kg,4kg,5kg are located at corners of an ...
More Related Questions