Question
A bob is whirled in a horizontal plane by means of a string with an initial speed of rpm. The tension in the string is T. If speed becomes 2 while keeping the same radius, the tension in the string becomes:
NEET
Physics
Motion In Two Dimensions
2024
NEET 2024
NEET Physics Question (2024) — Solution
Options
- A. 4T
- B. T/4
- C. 2 T
- D. T
Answer
A. 4T
Step-by-step solution
T=m ^2 aligned & T^ =m (2 )^2 \\ & T^ =4 T aligned
Related: Physics — Motion In Two Dimensions · All PYQ Banks