Page 54 - SP015 Past Years PSPM Chapter 6 -14 Ver 2020
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PHYSICS PSPM SEM 1 1999 - 2017
PSPM CHAPTER 11: DEFORMATION OF SOLIDS
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Stress and Strain
PSPM 2011/2012 SF016/2 No. 7(c)(i)
1. Define stress and strain. [2 m]
PSPM 2014/2015 SF016/2 No. 7(c)(i)
2. Explain plastic deformation of an elastic material. [2 m]
PSPM 2015/2016 SF016/2 No. 7(c)
3. Why is Hooke’s law not applicable in the case of plastic deformation? [2 m]
PSPM 2007/2008 SF017/2 No. 10(c)
4. State ONE physical property of a material that is used as car bumper. Explain your
answer. [4 m]
PSPM 2012/2013 SF016/2 No. 7(d)(ii)
5. Sketch a labeled stress-strain graph of a ductile material. [2 m]
Young’s Modulus
PSPM JUN 2000/2002 SF025/2 No. 10(a)(ii)
6. Define Young’s modulus and state its validity condition. [2 m]
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