Answer to Question #164900 in Physics for Sandra

Question #164900

Two stars of equal mass M are in orbit around one another. They are a distance R apart. What is the gravitational field strength at the point A, midway between them?

(a) GM/R^2

(b) zero

(c) 2GM/R^2

(d) 4GM/R^2

Expert's answer

"g(R)=\\frac{GM}{R^2}-\\frac{GM}{R^2}=0"

Answer: (b) zero

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