question_answer

Regarding lever, select the correct statement from the given below

(i) In beam balance, fulcrum is in the middle

(ii) A nutcracker is an example of third class lever

(iii) In tongs the, the fulcrum and the load are at two ends

(iv) Sea-saw is an example of first class lever

A)          (i), (iii) and (iv)

B)  (ii) only

C)         (iii) and (iv)                  

D)  (i) and (ii)