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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!!!

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!!!

Grade:11

1 Answers

G Narayana Raju
51 Points
10 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

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