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  • A stone of mass 1kg is tied to the end of the string 1m long. It is whorled in a horizontal circle with the speed of 4m/s then the centripetal force (in N) provided by the string is : <

A stone of mass 1kg is tied to the end of the string 1m long. It is whorled in a horizontal circle with the speed of 4m/s then the centripetal force (in N) provided by the string is :

 

Option: 1

16


Option: 2

10


Option: 3

20


Option: 4

8


Answers (1)

best_answer

 

 

 

 

As we learn

Centrifugal Force -

It is an Imaginary force due to incoporated effects of inertia.

- wherein

It is a fictitious force wich has significance only in rotating frame of reference.

 

And Centripetal Force F is given by

F=4m\pi^{2}n^{2}r

where 

F = Centripetal force

\omega= Angular velocity

n = frequency

 

centripetal force 

F = \frac{mv^{2}}{R} = \frac{1*4^{2}}{1} = 16N

 

Posted by

Ritika Jonwal

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