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Bhabani Prasad from Narayan School, Kolkata
Subject :NSO    Class : Class 6

In the given gear system, which of the arrows is incorrectly marked?



AP
BQ
CR
DS


It can be R also if we take the gear system starting from Q. Q moves anticlockwise while R moves anticlockwise. So here R can be also the correct answer.

Ans 1:

devansh gaurangi from Stella Maris School , Lucknow
Class : Class 8
If P is moved in clockwise direction then R would move in anticlockwise direction with P, but if Q moves anticlockwise then R will move clockwise and P would move Anticlockwise, which is opposite of it. So Q is incorrectly marked.

Ans 2:

prince daniel jonah J from st Joseph central school, Mysore
Class : Class 10
Q OR S ONE OF THEM IS INCORRECTLY MARKED

Ans 3:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
If p is the driving gear then all are right.

Ans 4:

devansh gaurangi from Stella Maris School , Lucknow
Class : Class 8
It can be Q because if P is moved clockwise then R would move anticlockwise making Q move clockwise, but if Q moves anticlockwise then it will make R move clockwise making P move anticlockwise, which is it's opposite. So Q is incorrectly marked.

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