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Grade: 12th pass

                        

A square plate is thrown horizontally on a rough horizontal surface .Find minimum value of coefficient of friction so that the plate topples

4 years ago

Answers : (2)

Bala
11 Points
							For toppling about the extreme bottom right corner of the sqaure plate thee torque of force should be greater than mg then only the plate can topple.Let us take the side as "a" unit.So tau(F)>tau(mg) F.a>mg.aF>mg ........ (1)To avoid sliding Fmg (from (1))u>1So the answer is 1.
						
3 years ago
Ayan Ghazi
13 Points
							
For the block to topple frictional torque should be greater than the normal torque acting on the extreme right
N x a/2
N x a/2
1
so minimum coefficient of friction is 1.
thank you
one year ago
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