It takes 50.0 J to push a large box 4.50 m across a floor. Assuming the push is in the same direction as the move, what is the magnitude of the force on the box? Please Show your Work

The gravitational attraction between two objects will if one object acquires more mass .

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.