Two bodies kept at a certain distance feel a gravitational force F to each other. If the distance between them is made double the former distance, the force will be

• A. 2F
• B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"></td><td rowspan="2">F</td></tr><tr><td style="text-align: center;">2 </td></tr></table>
• C. 4F
• D. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"></td><td rowspan="2">F</td></tr><tr><td style="text-align: center;">4 </td></tr></table>