It's impossible to give an exact answer to "what's the gravitational pull on a 1kg mass" without knowing where that mass is located.

Here's why:

* Gravity depends on mass and distance: The force of gravity between two objects depends on their masses and the distance between them.

* Earth's gravity is not uniform: The gravitational pull you experience on Earth's surface varies slightly depending on your location (latitude, altitude, and even local geological formations).

Here's what we can say:

* On Earth's surface: The average gravitational acceleration is approximately 9.81 m/s². This means a 1kg mass will experience a force of about 9.81 Newtons downwards due to Earth's gravity.

* In space: If the 1kg mass is far from any significant gravitational sources (like planets or stars), the gravitational pull will be very weak, almost negligible.

To get a more precise answer, you need to specify the location of the 1kg mass.