Posted by hy on Sunday, November 21, 2010 at 1:19am.
3 mass are collienear formation A, B, C
massA is 363 kg and is .5m away from mass B (517 kg)and mass B is .25m away from mass C (154kg)
Find the magnitude and direction of the net gravitational force acting on each of the three particles (let the direction to the right be positive).

physics Helppp  drwls, Sunday, November 21, 2010 at 6:11am
B and C pull A to the right. Use the universal law of gravity
F = G*M1*M2/R^2
to compute the individual forces and add them. You must have seen that equation before.
For B, A pulls it to the left and C pulls to the right. Make sure the force due to A is subtracted from the force due to C.
You should be able to calculate the force on C after doing the other two. Both forces (due to A and B) will be to the left.
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