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A particle of mass 1kg is moving on inner surface of track y=x^2 as it pass es from the point (3/8 ,9/64) with constant speed 2√2m/s.Find friction force at P and find the normal force by surface (if radius of curvature at point P is r)

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4 Answers

msp ·2009-01-01 10:48:51

N=mv²/r.
and frictional force is Î¼N.

r is the radius of curvature.

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eureka123 ·2009-01-01 10:57:49

tell me ur final answer

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msp ·2009-01-01 10:59:40

actually i didnt know the formula for calculating radius of curvature.i will reply u tomorrow

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eureka123 ·2009-01-01 11:15:33

ok.......but dont delay it....

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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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