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8 Cards in this Set
- Front
- Back
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Which will roll down an incline faster, a can of water or a can of ice?
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A can of Ice
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A baseball bat has a greater rotational inertia about an axis at its...
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Light end, where the handle is
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Toss a baseball bat in the air and it wobbles about its
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center of mass
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A condition for mechanical equilibrium is that the sum of the forces equal zero.
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torques equal zero
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The main reason railroad trains remain on their tracks has to do with
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beveled shape of the wheel circumference
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When we studied the concept of work, we learned that work = force x distance. Now we learn torque = force x distance. What is the difference?
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For work, distance and force are in the same direction. For torque they are perpendicular to each other.
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The falling of the autumn leaves makes the world spin a bit...
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faster
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When a skater brings her arms in when spinning, she increases her...
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angular speed
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