Gravity of Sun at the Earth's Orbit

[Weave]

Homework Statement

What is the acceleration due to gravity of the sun at the distance of the Earth's orbit?

Homework Equations

Confused on which one to use

The Attempt at a Solution

 

[andrevdh]

The sun attract a body according to Newton's universal gravitational law (falling apple), $$F_G$$. The acceleration of a body due to this force will then be

$$a = \frac{F_G}{m}$$

where m is the mass of the body. Will this acceleration be the same for all bodies at the same position w.r.t. the sun? Why?

 

[tony873004]

You can also use a=GM/r^2 where G is the Gravitational constant, M is the mass of the Sun (in kg if you use 6.67e-11 for G) and r is the Earth Sun distance in meters (again, if you use 6.67e-11 for G).