Answer:
The net force is 15 newtons
The direction is to the right
Explanation:
Hope this helps
It depends, What is the balloon filled with? Just air, heilum, water, etc. If its just air then the bowling ball would most likly hit first, but if the balloon is filled with water it would problably hit at the same time, theres also air resistace to think about is there any or it is almost like a vaccum chamber?
Three forces involved in brushing your teeth are first push, then pull, then push.