Explain what is meant by tensile stress and tensile strain.
Tensile stress is the force exerted per unit cross-sectional area on an object.
Tensile strain is the extension per unit original length of an object.
PJ
Related Physics A Level answers
All answers ▸What is the standard model?
There is a train A. On the roof of A is another frictionless train B of mass Mb. A mass Mc hangs off the front of A and is attached to the front of B by rope and frictionless pulley. How fast should A accelerate so that B wont fall off the roof of A.
An electron moving at 1000 m/s annihilates with a stationary positron. What is the frequency of the single photon produced?
How do you work out the work out the current through resistors in parallel?