I just had to shove an eos in my mouth because I keep shouting random things

atomic = no of protons.

mass number-atomic number = neutron number

grav force prop 1/r squared 2r all squared is 4rsquared 1/4rsquared quartered

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

increase masses, decrease separation