Laws of Motion

VITEEE 2015 Discussion Forum › Mechanics questions › Laws of Motion

In the figure mass m1=i kg and m2 = 4 kg. Find the mass M of the hanging block which will prevent the smaller block from slipping over the triangular block. All the surfaces are frictionless and the strings and the pulleys are light.

#Physics #Mechanics

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4 Answers

injun joe ·2009-08-09 00:18:17

Buddy, have you drawn the correct F.B.D?
If you still can't get the correct answer, i'll post it.

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Tush Watts ·2009-08-09 00:24:08

The diagram is correct. It's a D.C Pandey question.

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rahul nair ·2009-08-09 01:46:35

the pseudo force on m1 should balance m1gsin30.
m1acos30=m1gsin30
......a=gtan30......(1)

now,Mg-T=Ma.....(2)

T-(m1+m2)g=(m1+m2)a.......(3)
solve the eqns.......

I think the ans is Approx.6.85kg

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Tush Watts ·2009-08-09 02:21:17

Yeah your's answer is approx correct. Thanx a lot dude.

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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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Laws of Motion

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