Qualification > Sciences
URGENT!!!! PHYSICS MCQ QUESTIONS
superduper2009:
Astarmathsandphysics....
the answer you gave for 13 is wrong :S
can you please try the question again???
the correct answer is D :(
thanks alot in advance
superduper2009:
muslimah thank you sooo much but i don't get the explanation about q 13...
astarmathsandphysics:
I dont know why but I always thought the radius was 0.1 it is 0.05
Notice no tension in bottom
torque=F*r
3=T*0.05 so T=60
astarmathsandphysics:
I dont know why but I always thought the radius was 0.1 it is 0.05
Notice no tension in bottom
torque=F*r
3=T*0.05 so T=60
superduper2009:
Omg !!!!! I FEEL STUPID !!!! i was thinking the same :S.... argh..i wasted at least a good 30 mins on this q.
I was also getting my answer as 30 b4..
By the way if both of them had tension... we would be using the diameter ... right???
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