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Grade 11Mechanics

A sphere of mass m rests on a fixed wedge having inclination 30 degrees.Find the ratio of normal reactions exerted by wedge on sphere and wall on sphere.Please give the solution. ans:) 2

Thank You!!!

Profile image of P Krishna Chaitanya
14 Years agoGrade 11
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1 Answer

Profile image of G Narayana  Raju
ApprovedApproved Tutor Answer14 Years ago

we know the sphere is in rest,

the normal reaction due to wedge is cancelled with mgcos$

therefore Nwedge=mgcos30

and normal reaction due to wall cancels with Nwedgesin30

Nwall=mgcos30sin30.

the ratio is 2