question_answer

School bags have wide straps so as to:

(i) Increase the pressure on the shoulder.

(ii) Decrease the pressure on the shoulder.

(iii) Make the bag's weight fall over a small area of the shoulder.

(iv) Make the bag's weight fall over a large area of the shoulder.

A) (ii) and (iii)                     

B) (i) and (iii)

C) (i) and (ii)            

D)           (ii) and (iv)

E) None of these