Physics · A-Level · AQA · AQA A-level Physics (7408) · Specification point · 3.4.2.1 · Mechanics and materials · Materials
3.4.2.1 Bulk properties of solids
| Content | Opportunities for skills development |
|---|---|
Density, Hooke’s law, elastic limit, , as stiffness and spring constant. |
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Tensile strain and tensile stress.
Elastic strain energy, breaking stress.
Description of plastic behaviour, fracture and brittle behaviour linked to force–extension graphs.
Quantitative and qualitative application of energy conservation to examples involving elastic strain energy and energy to deform.
Spring energy transformed to kinetic and gravitational potential energy.
Interpretation of simple stress–strain curves.
Appreciation of energy conservation issues in the context of ethical transport design.
MS 0.2, 4.3 / PS 3.3, 4.1 Students can compare the use of analogue and digital meters. MS 0.4, 4.3 / AT e Estimate the volume of an object leading to an estimate of its density. |