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Three equal masses of  each are placed at the vertices of an equilateral triangle  and a mass of  is placed at the centroid  of the triangle which is at a distance of  from each of the vertices of the triangle. The force, in newton, acting on the, mass of  is

a)

2

b)

c)

1

d)

Zero



Question ID - 54608 | SaraNextGen Top Answer

Three equal masses of  each are placed at the vertices of an equilateral triangle  and a mass of  is placed at the centroid  of the triangle which is at a distance of  from each of the vertices of the triangle. The force, in newton, acting on the, mass of  is

a)

2

b)

c)

1

d)

Zero

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

Here,

The gravitational force on mass  at  due to mass

 at  is  along

The gravitational force on mass  at  due to mass

 at  is  along

The gravitational force on mass  at  due to mass

 at  is  along

Resolve forces  and  into two rectangular components

 and  are equal in magnitude of equal and opposite direction

127 votes


127