Why do people delte your answer or the question on here i is new so idk can someone plz help?

they are prob deleting you answers/questions because you are violating the Terms of Use or the Community Guidelines.

if you want to know how to get around and know the rules you can read the

Terms or Use:

and the

Community Guidelines:

:)

heats surface water up

one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.