Which ramp setup will require the least
amount of force for the skater to move up on it?
A
B
C
D
Ans 3:
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Class : Class 9
How? From which angle? Explain me! Wow! There is not even the solution!Then How 'D' is the answer
Ans 4:
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Class : Class 7
answer is D because more distance is needs to be covered to reach the top than option C. This is the explanation