rod

BITSAT 2015 Discussion Forum › Mechanics questions › rod

if all surfaces are frictionless, and the edge of the floor has sufficient friction for the rod to rotate about it, find the minimum distance d for the rod to topple. (length of the rod is l)

i am getting dâ‰¥(l/2)
please tell me if i am correct

#Physics #Mechanics

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5 Answers

msp ·2009-05-12 06:09:49

1) write force eqn in y and x directions

2) write torque eqn abt the point of contact with the floor.

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Samarth Kashyap ·2009-05-17 02:21:42

did it am getting answer as dâ‰¥ l/2
need confirmation

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kartik sondhi ·2009-05-22 01:19:33

Should'nt the answer be d=(l/3)

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Samarth Kashyap ·2009-05-22 03:25:45

cud u please provie a detailed solution.

thanks in advance

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Lokesh Verma ·2009-05-26 09:20:49

The method is correct..

kartik some more details.. just 1-2 steps

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Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω

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