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Krisha K S from JSS PUBLIC SCHOOL HSR, BANGALORE

Subject :Sam Class : Sample

Arjun wants to lift the rock as shown in the figure. At which point should he apply the force so that he could lift the rock easily ?

Aa
Bb
Cc
Dd

Ans 1:

Prithwanko Ghosh from Kendriya Vidyalaya IIT Kanpur, Kanpur

Class : Class 7