A 300N child sits on the end of a 2.00m long seesaw. How far from the pivot point would a 500N kid need to sit?

it would be kevlar ^^

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.