chalk drawing of newton pendulums on chalkboard. influencing people around

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Size: 5390px × 2986px
Photo credit: © mehemt özaslan / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: admonition, blackboard, chalk, chalkboard, change, coach, communication, cradle, encouragement, exemplary, guidance, happiness, influence, leader, life, model, movement, newton, opinion, pendulum, persuasion, positive, role, smile