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Grade: 11

                        

The body of mass 100 is tied to one end of a 2m long string. The other end of the string is at the centrre of the horizontal circle.The maximum revolution in one minute is 200.The maximum tensile strengthof the string is .

3 years ago

Answers : (1)

Arun
24742 Points
							
 

m =200 gm =.2kg

 

r = 2m

 

ω=200 rev/min  =20 ∏/3 rad /sec

 

 

 

 centrifugal force F = mω2r

 

                           = .2 * (20 ∏/3)* 2

 

                           =175.45 N

3 years ago
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