Stem quiz

“Give me a lever long enough and a fulcrum on which to place it so that I can move the world.” Who said this word?
Who was the first man to design a flying aircraft?
What are the energy involved in launching a catapult?
What is the gear ratio for this configuration?
Lift force is a combination of action-reaction law (Newton’s third law of motion) and the Bernoulli principle.
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Stem quiz
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