teamwork

creative

oscillation

organized

dynamic

concepts

move

game

metallic

play

string

sway

swaying

education

closeup

symbol

scientific

kinematic

isaac

isolated

swing

sphere

science

physics

pendulum

newton

movement

motion

metal

cradle

chrome

ball

ideas

force

toy

silver

perpetual

hanging

group

gravity

effect

concept

balance

background

time

scientist

reaction

physicist

newtonscradle

newton's

device

demonstrates

conservation

momentum

energy

swinging

spheres

toys

footage

video