When a ball rolls on a smooth level ground, the motion of...
When a ball rolls on a smooth level ground, the motion of its center is
translational
oscillatory
random
rotational
Correct answer is A
A ball rolling along a smooth surface observes translational motion at the center while the rest of the body rotates round the center.
The surfaces of conveyor belts are made rough so as to? ...
The most suitable instrument for measuring the diameter of a thin wire is a ...
Which to the following is NOT a fundamental unit? ...
Which of the following particles of ray has the highest penetrating power? ...
Which of the following electromagnetic wave can be detected by its heating effect? ...