- #1

aditya ver.2.0

- 67

- 4

The formula

F

_{grav}= -m ∇ φ (x

_{B})

represents the gravitational force derived form potential.

Here, x

_{B}is B position, and φ(x) is the gravitational potential produced by A.

But I can't just understand the formula and what is ∇ in here.

Please help...