Fig. 1. This model, called Newton's Cradle, shows a ball on one side moving as a result of a force exerted from the motion of a ball on the other side.
Image from A Framework for K-12 Science Education
Fig. 1. This model, called Newton's Cradle, shows a ball on one side moving as a result of a force exerted from the motion of a ball on the other side.
Image from A Framework for K-12 Science Education