Consider the following statements pertaining to the basic Lewis equation for the strength design of spur gear teeth
1. Single pair of teeth participates in power transmission at any instant
2. The tooth is considered as a cantiliever beam of uniform strength
3. Loading on the teeth is static in nature
4. Lewis equation takes into account the inaccuracies of the tooth profile
5. Meshing teeth come in contact suddenly
Which of these statements are correct?
(a)1,3,4 and 5 (b) 1,2,3 and 4
(c) 1,2 and 3 (d) 2,4 and 5