Youngs Modulus

1. 1What is the Equation for Stress?

   1. AForce/Area
   2. BArea/Force
   3. CForce x Area
   4. DForce x Area^2
2. 2What is the Equation for Strain?

   1. AOriginator Length/Extension
   2. BExtension/Original Length
   3. CExtension - Original Length
   4. DOriginal Length x Extension
3. 3Young's modulus is Stress/Strain.

   1. ATrue
   2. BFalse
4. 4If a Wire of 1.5m is extended to 1.75m. what is the strain of the wire? (Answer to 3 S.F.)

   1. A1.16
   2. B1.17
   3. C1.18
   4. D1.19
5. 5The stress point at which a material, if subjected to higher stress, will no longer return to its original shape. What is this statement referring too?

   1. APlastic Limit
   2. BElastic Limt
   3. CYoung's Modulus
6. 6Which of these factors doesn't affect the stress of a wire?

   1. Adiameter
   2. Boriginal length
   3. Cload
   4. Dcross sectional area
7. 7A wire of length 3.000 m with a cross section area of 2.2e-6 m^2 stretches by 0.012 m when a load of 900 N is hung from it. What is the Young's modulus for this wire?

   1. A1.6e+6 Pa.
   2. B1.5e+7 Pa.
   3. C4.1e+8 Pa.
   4. D1.0e+11 Pa

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Physics Quiz on Youngs Modulus , created by 10jsmith on 24/03/2014.

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10jsmith

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