There is zero net force required to keep an object moving, even in the same direction. This is because the inertia only depends on the mass of the object moving, not the speed. Therefore, the answer would be none.
The answer is going to be A
<span>Out of the four listed rivers, Mekong is not the major river of Asia.
Indus, Ganges and Brahmaputra river are all the major rivers in south Asia. Mekong river is famous only after the above three listed and many more which are not listed here.</span>
Answer:
The orbital speeds of stars far from the galactic center are surprisingly high, suggesting that these stars are feeling gravitational effects from unseen matter in the halo.