Questacon acknowledges First Nations peoples as the Traditional Custodians and first scientists, makers and innovators of this land and their continuing connection to Country. We pay our respect to the Elders past, present and emerging.
Aboriginal and Torres Strait Islander people are advised that the Questacon website may contain images of people who have passed away.
See the laws of Physics in motion with Sir Isaac Newton's classic model. If you pull up one ball and release, you will see only one ball move from that reaction. If you pull up two balls, two balls will react. Try it and see for yourself.
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