Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Equilibrium of two Planks on a Rough Plane: Figure shows two planks inclined to horizontal rough surface and connected by a string. Find the minimum angle θ (in degrees) for which this system remain in equilibrium if friction coefficient is μ= 0.5.

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

answer is 45.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

For equilibrium of plank, we useN=mgT=μN=μmg.For rotational equilibrium of plank we use torque on plank about any point must be zero.τA=mg×l/2cos⁡θ−T×lsin⁡θ=0          mgl2cos⁡θ=μmgl sinθ          tanθ=12μ=1⇒θ=45∘
Watch 3-min video & get full concept clarity

courses

No courses found

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
Equilibrium of two Planks on a Rough Plane: Figure shows two planks inclined to horizontal rough surface and connected by a string. Find the minimum angle θ (in degrees) for which this system remain in equilibrium if friction coefficient is μ= 0.5.