(a) Define strain.
(b) A rubber band is stretched to twice its original length. Calculate the strain on the rubber band.
Verified Correct Answer: .
Physical Principles & Numerical Solution
(a) Strain is the ratio of the extension to original length of an object.
(b) Strain = \(\frac{e}{l_o} = \frac{2l_o - l_o}{l_o}\) = 1
Source: WAEC / JAMB / NECO Classroom Archive (Record #52863)