Question 5
MotionWhen a ball rolls on a smooth level ground, the motion of its centre is
- A.translational
- B.oscillatory
- C.random
- D.rotational
Show the answer and explanation
Answer: A (translational)
Explanation
A rolling ball spins about its centre, but the centre itself just moves forward in a straight line. Straight-line movement of a point is translational motion.