If gravity falls off as the square of the distance, considering how far away most of the planet is from him, Haroun doesn't see it being strong enough to pull on him as hard as gravity while a mountain right there exerts no detectable force at all.  This should definitely be testable, and then they can see if the rules are the same for his world and Bella's world...

He's not sure he understands the second half of her argument, though.  "You don't look to me like you're made out of little bits and simple forces.  You've got... hair, and a nose, and I'd go on except that I'd start to sound like a creepy stalker."

If gravity falls off as the square of the distance, considering how far away most of the planet is from him, Haroun doesn't see it being strong enough to pull on him as hard as gravity while a mountain right there exerts no detectable force at all.  This should definitely be testable, and then they can see if the rules are the same for his world and Bella's world!

He's not sure he understands the second half of her argument, though.  "You don't look to me like you're made out of little bits and simple forces.  You've got... hair, and a nose, and I'd go on except that I'd start to sound like a creepy stalker."

If gravity falls off as the square of the distance, considering how far away most of the planet is from him, Haroun doesn't see the total being strong enough to pull on him as hard as gravity does, while a mountain right there exerts no detectable force at all.  This should definitely be testable, and then they can see if the rules are the same for his world and Bella's world!

He's not sure he understands the second half of her argument, though.  "You don't look to me like you're made out of little bits and simple forces.  You've got... hair, and a nose, and I'd go on except that I'd start to sound like a creepy stalker."