Two different types of rubber are found to have the stress-strain curves as shown in figure :
(i) In which significant ways do these curves shown in figure differ from the stress-strain curve of a metal wire.
(ii) A heavy machine is to be installed in a factory. To absorbs vibrations of the machine, a block of rubber is placed between the machinery and the floor. Which of the two rubbers A and B would you prefer to use for this purpose? Why?
(iii) Which of the two rubber materials would you choose for a car tyre?

Answer

(i). B
(ii). A