CBSE Class 11-science Answered
a stone is tied to one end of a string and rotating in a vertical circle. what is the difference in tension of the lowest and highest point of the vertical circle
Asked by deekshikap2004 | 23 Jan, 2021, 10:14: AM
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/10a54f44e327bc73d16520378b20f65c600bc0fc64b291.57851515f2.png)
when the stone is at lowest position A as shown in figure , we have
TA - ( m g )= m( v2 /R ) ..................(1)
where TA is tension in the string when the stone is at A , m is mass of stone, g is acceleration due to gravity ,
v is speed of stone and R is radius of circular motion. RHS of above eqn.(1) is required centripetal force for circular motion.
When the stone is at highest position B as shown in figure, we have
TB + ( m g ) = m( v2 /R ) ....................(2)
Hence ( TA - TB ) = ( 2 m g )
Answered by Thiyagarajan K | 23 Jan, 2021, 11:55: AM
Concept Videos
CBSE 11-science - Physics
Asked by adipadmakarri | 26 Sep, 2021, 18:08: PM
CBSE 11-science - Physics
Asked by adipadmakarri | 25 Sep, 2021, 11:18: AM
CBSE 11-science - Physics
Asked by deekshikap2004 | 23 Jan, 2021, 10:14: AM
CBSE 11-science - Physics
Asked by akhileshkumarsinghbgw | 26 Jan, 2019, 13:34: PM
CBSE 11-science - Physics
Asked by Topperlearning User | 04 Aug, 2014, 13:09: PM
CBSE 11-science - Physics
Asked by Topperlearning User | 04 Aug, 2014, 13:15: PM
CBSE 11-science - Physics
Asked by Topperlearning User | 04 Aug, 2014, 13:15: PM
CBSE 11-science - Physics
Asked by Topperlearning User | 04 Aug, 2014, 13:24: PM
CBSE 11-science - Physics
Asked by Topperlearning User | 04 Aug, 2014, 13:26: PM
CBSE 11-science - Physics
Asked by Topperlearning User | 04 Aug, 2014, 14:05: PM