Teaching UKPSC Lecturer Mock Test Series 2024 Physics Motion in a Straight Line Kinematic equations for uniformly accelerated motion
Which one of the following statements is correct for a moving body?
1
If its velocity changes, its speed must change and it must have some acceleration
2
If its speed changes, its velocity must change and it must have some acceleration
3
If its speed changes but direction of motion does not change, its velocity will remain constant
4
None of the above