Activity 1 – Order the surfaces – How much friction do they produce? Activity 2 – Moving things quiz Activity 3 – Solve this problem Activity 4 – Conduct an investigation We need forces to make things ...
As I was sitting in my physics lecture, fighting a losing battle against my attention span, the professor said something that caught my attention, “When you solve these problems, start by taking ...
Why do humans, other primates and koalas have fingerprints? All are, or have ancestors who were, tree dwellers, and it has been generally accepted that fingerprints help individuals grab onto things ...
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