WAEC Physics 2015 Objective — Question 9
Question 9 of 50 from the West African Examinations Council (WAEC) Physics 2015 Objective paper, with the correct answer and a full explanation.
Advertisement
Which of the following statements describes a body in a stable equilibrium correctly?
- A. a person walking on a tight-rope
- B. a ball on a smooth horizontal table
- C. a ball resting on an inverted hemispherical bowl
- D. a ball in the middle of a hemispherical bowlCorrect
Explanation
A body is in stable equilibrium if, when slightly displaced, it returns to its original position; a ball resting in the middle of a hemispherical bowl (low centre of gravity, wide base of support) is a classic example.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.