41. The impulse on a particle due to a force acting on it during a given time interval is equal to the change in its
42. A body of mass 8 kg is moving with a velocity of 4 m/s. Find its momentum.
43. If an object moves at a non-zero constant acceleration for a certain interval of time, then the distance it covers in that time
44. How many law of motion did Isaac Newton formulate?
45. The dimension of acceleration is . . . . . . . .
46. Maximum value of static friction is called
47. The rate of change of displacement with time is called as . . . . . . . .
48. Match List-I with List-II and select the correct answer:
List-I
List-II
a. Speed
1. The role change of displacement with time
b. Velocity
2. The rate of distance covered with time
c. Acceleration
3. The time rate of change of velocity
| List-I | List-II |
| a. Speed | 1. The role change of displacement with time |
| b. Velocity | 2. The rate of distance covered with time |
| c. Acceleration | 3. The time rate of change of velocity |
49. The apparent weight ofman in a lift is less the real weight when
50. Why does a runner continues to run after crossing the finish line?
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