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Orbital Velocity :: Discussion
| 9. | A point mass m is placed inside a spherical shell of radius R and mass M at a distance R/2 from the centre of the shell. The gravitational force exerted by the shell on the point mass is? | |
| A. | GMm/R2 | |
| B. | GMm/R | |
| C. | Zero | |
| D. | 4GMm/R2 | |
| Answer: Option C | |
| Explanation: | |
|
At the inner position of the shell, the gravitational field intensity (E) is zero. |
|
| Tutorial Link: |
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