What are sciences and what is their role in our everyday lives?
In this lesson, by completing the exercises, you can learn about the states of matter and changes in state.
Mașina este pusă în mișcare de forța de frecare dintre roți și sol.
Demonstration of the acceleration of a car starting from rest with Netwton's II. law
Under what conditions can a car go up the slope?
Why does the box slide back at start? Useing Newton's second law
The box turns over on an accelerating car because of friction