Vertical Circular MotionHardQuestion 6078
Question
Stone (0.5 kg) in vertical circle (r=1 m), v_bottom = √(5g), g=10 m/s². Tension at bottom:
- A30 NCorrect
- B5 N
- C25 N
- D15 N
Correct answer
30 N
Explanation
T = mg + mv²/r = 0.5×10 + 0.5×50/1 = 5+25 = 30 N.