Question

1) A body of mass 0.1kg performs uniform circular motion with a speed of 20 m/s. If the radius of the circle is 5m, Find the centripetal force acting on the body is​

Answer 1

Answer:

Given, m=0.1 kg,r=  

2

1.0

​

=0.5 m

T=  

10

31.4

​

3.14s=π sec

∴F=mrω  

2

=mr(  

T

2π

​

)  

2

=  

T  

2

 

4π  

2

mr

​

 

=  

π  

2

 

4×π  

2

×0.1×0.5

​  

=0.2 N