What is the relationship between gravitational acceleration g, and gravitational constant, G?​

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine

The illuminance of a surface varies inversely with the square of its distance from the light source. if the illuminance of a surface is 120 lumens per square meter when its distance from a certain light source is 6 meters, by how many meters should the distance of the surface from the source be increased to reduce its illuminance to 30 lumens per square meter?

An impulse is the product of the on an object and time during which it is applied