A ball is dropped from the top of a tower. Due to air resistance,it reaches...
PHYSICS
WAEC 2016
A ball is dropped from the top of a tower. Due to air resistance,it reaches terminal velocity. Which of the following statement(s) about its motion is/are correct? i. The acceleration of the ball is zero. ii. The net force on the ball is zero. iii. The velocity of the ball increases.
- A. i only
- B. i and ii only
- C. ii and iii only
- D. i, ii and iii
Correct Answer: B. i and ii only
Explanation
Terminal velocity refers to the constant speed that an object reaches as it falls through a liquid or gas. Since the net force on the object is zero, the object has zero acceleration.
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *