Gravity has to do with objects being attracted to each other.
Remember, the story goes about Newton thinking about gravity when the apple fell on his head.
Take a glimpse at this page:
https://goo.gl/QENkwu
GRAVITY
So ... Which one do you think?
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No one answer over the top of me please.
I'm teaching this person and I am also trying to give other people ideas on HOW to teach.
Hopefully the picture will stick in this person's brain. That is the idea.