Estimate the strength of the gravitational interaction between you and your deskmate, Consider that you are at a distance of r = 0.5 m.

When trying to replicate the Cavendish experiment, a very accurate torsion angle measuring instrument is needed. It is also necessary to securely secure the two heavy balls.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.