Because one type of energy is converted to the other and back again.It is really cool how this works!Notice how PE is highest at the top of the swing and zero at the bottom.And KE is highest when the pendulum swings the fastest (at the bottom of the arc)....
This art activity for kids isway cool!This is an active summer activity for kids of all ages. MY LATEST VIDEOS This video cannot be played because of a technical error.(Error Code: 102006) This is SO COOL! What kid wouldn’t want to paint using this easy-to-make pendulum? See how t...