A body weighing 20 kg is subject to a gravity force equal to …

By the formula we have F = mg, where g = 9.81 m / s ^ 2
Nothing needs to be translated into SI
Then in our case F = 20 * 9.81 = 196.2



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.