MCQOPTIONS
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| 1. |
Why does a stone thrown up into the sky fall back to the earth? |
| A. | Work done by the object pulls it down towards the Earth. |
| B. | There exists a centripetal force that pulls it down towards the Earth. |
| C. | There is a downward pressure that pulls it down towards the Earth. |
| D. | There exists a force that pulls it down towards the Earth. |
| Answer» E. | |