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Engineering

Physics

Physical Quantities

Question

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$\frac{- GM}{2 R}$

$\frac{- 2 GM}{3 R}$

$\frac{- 2 GM}{R}$

$\frac{- GM}{R}$

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$\frac{- GM}{2 R^{3}} (3 R^{2} - {(\frac{R}{2})}^{2}) + \frac{\frac{GM}{8}}{2 {(\frac{R}{2})}^{3}} (3 {(\frac{R}{2})}^{2} - 0^{2})$

$- \frac{GM}{2 R^{3}} (\frac{11 R^{2}}{4}) + \frac{GM}{8 R^{3}} \times \frac{3 R^{2}}{4} = - \frac{GM}{R}$