Vertical Circular MotionHardQuestion 6096
Question
Stone (0.1 kg) in vertical circle (r=2 m), v=6 m/s at lowest point (g=10 m/s²). Tension at bottom:
- A2.8 NCorrect
- B1 N
- C3.8 N
- D4.8 N
Correct answer
2.8 N
Explanation
T = mg + mv²/r = 0.1×10 + 0.1×36/2 = 1 + 1.8 = 2.8 N.