Physics Practice Test – Elasticity (Questions with Answers and Explanations)

If a load of mass 10 N stretches a cord by 1.2 cm, what is the total work done? (JAMB 2009)

A copper wire was subjected to a tensile stress of 7.7 x 10⁷ Nm^-2. Calculate the tensile strain of the wire [Young Modulus = 1.1 x 10¹¹ Nm^-2] (JAMB 2011)

A force of 500 N is applied to a steel wire of cross sectional area 0.2 m², the tensile stress is ______ (JAMB 2014)