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Parthpratim Das from DPS School, Udaipur

Subject :NSO Class : Class 9

A person used force F, shown in figure to move a load with constant velocity on a surface. Identify the correct surface profile.

A

B

C

D

why not option D

Ans 1:

Harsh Gupta from AECS Narora, Narora

Class : Class 9

from kv2, kalpakkam

Class : Class 9

i cannot understand anything in this

aditya apurva from DAV public School, Duttnagar

Class : Class 9

somebody answer this question with an explanation