What is the Gravity of a 400 g soccer ball?

Given: m = 400g = 0.4kg; g = 10H / kg.
Unknown: Fightness- ?.
Decision:
F gravity = m * g; F gravity = 0.4kg * 10N / kg = 4N.
Answer: F gravity = 4H



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.