One consequence of Newton's Third Law is that any object which experiences a gravitational pull from Earth also exerts an equal gravitational pull back onto Earth - even this balloon! With this in mind, justify why the Earth doesn't move towards the balloon.
Question
One consequence of Newton's Third Law is that any object which experiences a gravitational pull from Earth also exerts an equal gravitational pull back onto Earth - even this balloon! With this in mind, justify why the Earth doesn't move towards the balloon.
Solution
Newton's Third Law states that for every action, there is an equal and opposite reaction. This means that the gravitational force that the Earth exerts on the balloon is equal to the gravitational force that the balloon exerts on the Earth. However, the Earth does not move towards the balloon because of the difference in mass.
The force of gravity depends on the mass of the objects and the distance between them. The Earth has a much larger mass than the balloon. Therefore, the same gravitational force has a much smaller effect on the Earth's motion than it does on the balloon's motion.
In other words, the balloon's gravitational pull on
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