defence exam Agniveer Army Technical Mock Test Series 2025 Physics Laws of Motion Newton's Laws of Motion
Which of the following statements is NOT true?
1
The mass of an object is a measure of its inertia
2
A force produces change of momentum
3
In a high jump an athlete is made to fall on a cushioned bed to decrease his time of fall, and hence the impact
4
In an isolated system (where there is no external force), the total momentum remains constant