A Rock Attached to a String Swings in a Vertical

question 54

Multiple Choice

A rock attached to a string swings in a vertical circle. Which free body diagram could correctly describe the force(s) on the rock when it is at the lowest point?

---

Definitions:

Sleep Paralysis

A temporary inability to move or speak while falling asleep or upon waking, often accompanied by hallucinations.

Sleep Apnea

A sleep disorder characterized by pauses in breathing or periods of shallow breathing during sleep.

Insomnia

A sleep disorder characterized by difficulty falling asleep, staying asleep, or experiencing restorative sleep, leading to daytime dysfunction.

Repression

A defense mechanism in psychoanalysis where distressing thoughts and memories are unconsciously blocked from conscious awareness.