CAPE Physics Unit 1 · 2011 · Paper 1 · Question Q42
Item 42 refers to the following diagram.
The material shown has length, l, and cross-sectional area, A. When a force, F, is applied to the material it causes an extension, e, in the material. Which of the following expressions can be used to determine the Young modulus of the material?
- (A)
\frac{Fl}{Ae} - (B)
\frac{FA}{el} - (C)
\frac{Ae}{Fl} - (D)
\frac{el}{FA}
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