Sub-topic 1
2026 · National Quarterfinal
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Relating young's modulus to bulk modulus and poisson's ratio for an isotropic solid
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Sub-topic 2
2026 · National One-Eighth
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Strain from extension and original length
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Sub-topic 3
2021 · National Preliminary
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Spring tension and stored elastic energy (true/false)
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Sub-topic 4
2023 · National Preliminary
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Spring tension from hooke's law
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Sub-topic 5
2021 · National Preliminary
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Spring tension from hooke's law
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Sub-topic 6
2013 · National Quarterfinal
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Force to extend a spring a given distance (hooke's law)
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Sub-topic 7
2013 · National Quarterfinal
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Elastic potential energy stored in a stretched spring
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Sub-topic 8
2013 · National Quarterfinal
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Extension of a spring from stored elastic energy and stiffness
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Sub-topic 9
2013 · National Quarterfinal
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Force to extend a spring a given distance (repeat)
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Sub-topic 10
2014 · National Quarterfinal
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Linearizing hooke's law for graphing
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Sub-topic 11
2021 · National Preliminary
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Absolute temperature ($277\text{ K}$) at which water's density is greatest
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Sub-topic 12
2021 · National Preliminary
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Thermal strain of an aluminum bar from its expansion coefficient and temperature change
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Sub-topic 13
2021 · National Quarterfinal
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Extension of two springs in parallel under a load, $x = \dfrac{W}{k_1 + k_2}$
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Sub-topic 14
2021 · National Quarterfinal
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True or false: springs in parallel undergo the same extension
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Sub-topic 15
2021 · National Quarterfinal
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True or false: springs in parallel have the same tension
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Sub-topic 16
2021 · National Quarterfinal
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True or false: the spring with the smaller constant carries the greatest tension in parallel
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Sub-topic 17
2022 · National Preliminary
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Volume expansivity from linear expansivity, via the factor of 3
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Sub-topic 18
2022 · National Preliminary
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Spring constant from applied force and extension, hooke's law
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Sub-topic 19
2023 · National Preliminary
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True or false: a solid at rest begins to move as soon as its molecules begin to move
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Sub-topic 20
2023 · National Preliminary
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True or false: a solid at rest remains at rest because its molecules are stationary
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Sub-topic 21
2023 · National Preliminary
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True or false: when a solid moves, its molecules' average velocity is in the direction of motion
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Sub-topic 22
2023 · National Preliminary
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Riddle: ice, a solid less dense than its liquid form
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Sub-topic 23
2023 · National Preliminary
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Effective spring constant of two parallel springs
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Sub-topic 24
2023 · National Preliminary
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Mass of a homogeneous object from density and volume
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