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Agastya from Bombay scottish, Mumbai
Subject :NSO    Class : Class 3

Which of these works on mechanical energy?

(A)

(B)

(C)

(D)
how is option a correct

Ans 1:

from ,
Class :
A

Ans 2:

Nivika from Shri Ram Global School, Bangalore
Class : Class 5
Reallllly Easy

Ans 3:

from ,
Class :
was a 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 times easy

Ans 4:

sanjana from NARAYANA E TECHNO , Chennai
Class : Class 8
toooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo easy

Ans 5:

from ,
Class :
A. Boat

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