If you were about to go up in space, what types of things would you like to discover there, rather than rocks , I will give you if you answer this not only 10 but 30 points, Arigato!

Aliens lol or something an astronaut accidentally left behind it could be like a candy bar rapper that they was eating or something. But mostly I would want to discover something very unique and rare. I don’t know what but I would want it to be something big.

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on