Friction is a force
a. that two objects move faster when they are touching.
b. that operates against motion when two objects are touching.
c. that gets stronger when two objects move away from each other.
d. that exists between any two objects in the universe.
need

Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse