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A uniform chain of mass m hangs from a light pulley, with unequal lengths hanging from two sides of the pulley. The force exerted by the moving chain on the pulley is .......
a> mg
b> >mg
c> <mg
d> may be any of these depending on the time elapsed.

#Physics #Mechanics

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5 Answers

Bicchuram Aveek ·2009-10-06 11:17:42

Do we have to consider COM ?

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Swastika dutta ·2009-10-06 18:11:12

no.

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xYz ·2009-10-06 20:22:33

<Mg 4 sure

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Swastika dutta ·2009-10-07 07:55:17

Please explain it.

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msp ·2009-10-07 09:48:01

hey guys.See the pulley is light (mâ‰ˆ0) So how can it experience a force.So in the option <mg

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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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