Per NCERT Example 7.1, in a system of N point masses, the total gravitational force on a particle is which?
AAlways zero if all masses are equal
BThe vector sum of forces from each other mass
CEqual to the force from the nearest mass alone
DThe product of individual forces
Answer & Solution
Correct answer: B. The vector sum of forces from each other mass
NCERT §7.3 (superposition): F_total = Σ F_i (vector sum). Gravitational force is independent of intervening medium.
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