Springs (VCE SSCE Physics): Flashcards

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Energy stored when object deforms elastically

Elastic potential energy

Symbol & meaning: kk in springs

Spring constant (spring stiffness)

Hooke's law formula

F=−kxF = -kx

Elastic potential energy formula

Es=12kx2E_s = \frac{1}{2}kx^2

Unit of spring constant

N⋅m−1\text{N} \cdot \text{m}^{-1} or N/m

Gradient of force-extension graph equals

Spring constant (kk)

Steeper gradient on F-x graph means

Stiffer spring (larger kk)

Area under force-extension graph represents

Work done/elastic potential energy

Equilibrium position of horizontal spring

Natural length (neither compressed nor extended)

Where max velocity occurs in horizontal spring

Equilibrium position (100% KE)

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