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BARC/GATE Question Series Part - 43
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Question based on Natural frequency for spring mass system

Deep Sangeet Maity is teaching live on Unacademy Plus

Deep Sangeet Maity
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(2)
U
Unacademy user
sir ek bar discuss krdo last problem
ka equivalent, if we will take for anglr alpha=225,in ACW direction,also all others spring kb,kc,kd taken angle ACW ,then final answer is different....i..e 2.42 as answer inspite of your calculated answer..pl comment on this query
Deep Sangeet Maity
8 months ago
No the answer will be same whether you take the angle as CW or ACW
Deep Sangeet Maity
8 months ago
Don't forget to take square of the cos.... Silly might happen
For 2nd solution: Since you have taken all the angles in ACW sense then why you have takn the K Cos 75 in CW sense. Though the answer would be same but it must be K Cos 285 in place of K Cos 75..
Deep Sangeet Maity
8 months ago
What ever angle u can take either CW or ACW
Deep Sangeet Maity
8 months ago
I have intentionally taken one alomg CW amd the other one ACW