(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)
Correct Answer: A
Solution :
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