Student Exploration: Torque and Moment of Inertia

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Prior Knowledge Question (Do this BEFORE using the Gizmo.) During recess, Tom and his little sister Marcie want to play on the see-saw. Tom is quite a bit heavier than Marcie. Where should they sit ... so the see-saw is balanced? Sketch their positions on the image below. Explain your reasoning: ____________ _______________________________ _______________________________ _______________________________ Gizmo Warm-up The Torque and Moment of Inertia Gizmo shows a see-saw, which is a type of lever. The see-saw can hold up to eight objects. To begin, check that the Number of objects is 2. Check that the mass of object A is 1.0 kg and the mass of object B is 2.0 kg. The two objects are equidistant from the triangular fulcrum that supports the lever. 1. Click Release. What happens? _____________________________________________ ______________________________________________________________________ 2. Click Reset. Without changing the masses, experiment with different positions of objects A and B by dragging them around. Can you create a scenario in which object A goes down and object B goes up? _______ Explain: _______________________________________________________________ 3. Can you create a scenario in which object A perfectly balances object B? ___________ Explain: _______________________________________________________________ In lifter Tom should set closer because he is heavier Incline to right A heavier than B Yes Yes Two of them have same weight [Show More]

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