When you push a desk that doesn't move,

As distance increases, gravitational force _________________

When you stand on a bathroom scale, it displays the _______________ that Earth is exerting on you.

Friction acts in a a direction _________________ to the direction of the object's motion.

When the irregularities of one surface come into contact with those of another surface, ___________ occurs

The applied force required to push something across a surface _____________ as friction increases.