What is the moment of the gravitational force of the sun on earth about the axis of its rotation about the sun ?

Explanation

To find the moment of the gravitational force of the Sun on the Earth about the axis of its rotation around the Sun, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Torque**:
Torque (or moment of force) is defined as the measure of the force that can cause an object to rotate about an axis. It is given by the formula:
\[
\tau = \vec{r} \times \vec{F}
...