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CAIE A-Level Physics AS 6.1.2 The Terms Load Extension Compression and Limit of Proportionality Questions

Distinguish tensile and compressive deformation and relate deformation to applied force.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Distinguish tensile and compressive deformation and relate deformation to applied force.

CAIE A-Level Physics AS 6.1.2 The Terms Load Extension Compression and Limit of Proportionality Questions question 1

[Maximum number: 1]

Fig. 4.1 shows the variation with extension x of the tensile force F for two wires, G and H, made from the same material.

Fig. 4.1

Fig. 4.1

The elastic limit has not been exceeded for G or H.

Wires G and H are joined together end-to-end to form a composite wire of negligible weight. The composite wire hangs vertically from a fixed support.

A block of weight of 2.0 N is attached to the end of the wire, as shown in Fig. 4.2.

Fig. 4.2

Fig. 4.2

Use Fig. 4.1 to determine:
- the extension xGx_{\mathrm{G}} of wire G

xG=x_{\mathrm{G}}=

mm
- the extension xHx_{\mathrm{H}} of wire H .

xH=x_{\mathrm{H}}=

mm

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