QuestionGravitation / vector form
The gravitational force (F) on mass M due to another mass m at a distance x is given by (vector x is from mass M to mass m and unit vector x̂ is the corresponding unit vector)
- (a) \(\mathbf{F} = G\frac{Mm}{x^3}\mathbf{x}\)
- (b) \(\mathbf{F} = -G\frac{Mm}{x^3}\mathbf{x}\)
- (c) \(\mathbf{F} = -G\frac{Mm}{x^3}\hat{\mathbf{x}}\)
- (d) \(\mathbf{F} = G\frac{Mm}{x^3}\hat{\mathbf{x}}\)
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