alleryThe angle of repose between a block and an incline is 30°. The coefficient of static friction is:
Atan 30° = 0.577
Bsin 30° = 0.5
Ccos 30° = 0.866
D0.3
Answer & Solution
Correct answer: A. tan 30° = 0.577
At angle of repose, μ_s = tan φ.
For φ = 30°: μ_s = tan 30° = 1/√3 ≈ 0.577.
Keep practising Mechanical Properties of Solids and Fluids
Browse all Mechanical Properties of Solids and Fluids questions for JEE Advanced, or explore more Physics topics.
Related questions
Solids topic or fluids topic?Match each property of matterNEET · Physics · Compressive or Tensile StressAs per your syllabus, eqn 5.23, the relation between ΔG° and equilibrium constant K is whiAs per your syllabus, a reaction with ΔH < 0 AND ΔS > 0 is spontaneous under which conditiAs per your syllabus, eqn 5.20-21, GIBBS energy G and its change ΔG at constant T are giveAs per your syllabus, eqn 5.18, the entropy change for a REVERSIBLE process is given by whAs per your syllabus, the Δ_f H° of C(diamond) is which value (note: NOT zero, because gra