Term
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Definition
| a.) property of a body, b.) change in shape, c.) returns to original shape |
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Term
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Definition
| Materials do not resume their original state after force is removed. |
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Term
| Give me an equation for Hooke’s Law |
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Definition
| F=kx (Force is proportional to deformation distance) |
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Term
| Define in words: Hooke’s Law |
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Definition
| Amount of stretch or compression is directly proportional to the force applied |
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Term
| When is weight density commonly used? |
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Definition
| When discussing liquid pressure |
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Term
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Definition
| A distance-stretch or compression at which permanent distortion occurs |
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Term
| Give me an equation for weight density. |
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Definition
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Term
| _______________ _____________ return to their original shape when a deforming force is applied and removed, it the elastic limit is not reached. |
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Definition
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Term
| What is the name of this law: Stretch or compression is proportional to the applied force (within the elastic limit) |
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Definition
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Term
| _____________ materials remain distorted after the force is removed. |
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Definition
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Term
| ________________ is the study of how size affects the relationships among weight, strength, and surface. |
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Definition
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Term
| The density of gold is 19.3 g/cm3. What is its specific gravity? |
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Definition
| Density gold/density of water = 19.3 /1 = 19.3 (no dimension) |
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Term
| Give me an equation for: specific gravity |
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Definition
mass object/mass of the same volume of water or
weight object/weight of the same volume of water |
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Term
| Which has greater density, 1 g of uranium or the planet Earth? |
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Definition
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Term
| Which has greater density, 5 kg of lead or 10 kg of aluminum? |
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Definition
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Term
| Which has greater density, 1 kg of water or 10 kg of water? |
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Definition
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Term
| The atoms in a ________________ have an orderly arrangement. |
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Definition
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Term
| Give me an equation for density. |
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Definition
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Term
| ____________________ is related both to the masses of the atoms and the spacing between atoms. |
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Definition
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Term
| Why is a steel I beam wider at the top and bottom? |
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Definition
| The top and bottom bear the stress |
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Term
| What is the strongest shape for a building? |
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Definition
| Triangle, this is the only shape that does not twist and collapse |
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Term
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Definition
| Relationship between weight, strength and surface area |
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Term
| Suppose a cube 1 cm long on each side is scaled to a cube 10 cm. long on each side. What is the new volume? |
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Definition
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Term
| Suppose a cube 1 cm long on each side were scaled up to a cube 10 cm long on each edge. What would be the x-sectional surface area? |
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Definition
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Term
| Suppose a cube 1 cm long on each side were scaled up to a cube 10 cm long on each edge. What is its total surface area? |
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Definition
| (6 sides) (area of one side) = (6)(10cm)2 = 600 cm2 |
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Term
| Using the ratio: Surface area/Volume. For an elephant and a mouse, which ratio is larger? |
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Definition
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