Explain in brief Q. Three equal point masses of 1.5 kg each are fixed at the vertices of an equilateral triangle of side 1 m. What is the force acting on a particle of mass 1 kg placed its centroid ? Hint : By superposition principle or by method of symmetry . Share with your friends Share 6 Vijay Shankar Yadav answered this Dear Student, Regard 12 View Full Answer