It can help with measurements and when you want to add measurements to a cylinder or a beaker so ya
I haven't worked on Part-A, and I don't happen to know the magnitude of the gravitational force that the Sun exerts on the Earth.
But whatever it is, it's exactly, precisely, identical, the same, and equal to the magnitude of the gravitational force that the Earth exerts on the Sun.
I think that's the THIRD choice here, but I'm not sure of that either.
It would be negative regardless of what you define as a positive direction.
B. truthfully it's the only one that makes sense
How do you want me to give you points tell me and I’ll do it
