Physics Practice: Motion (Mock Test 3 - Advanced)
1. A car travels the first $60 \text{ km}$ at a speed of $40 \text{ km/h}$ and the next $60 \text{ km}$ at a speed of $60 \text{ km/h}$. The average speed for the entire journey is:
2. When a body moves with a constant speed in a circular path, its velocity is ________ because the direction changes at every point.
3. A body is said to have "Negative Acceleration" (Retardation) when its velocity:
4. The distance-time graph for a body at rest is a straight line:
5. Which of the following can have a magnitude greater than zero while the displacement is zero?
6. A train $100 \text{ m}$ long crosses a bridge $200 \text{ m}$ long at a speed of $30 \text{ m/s}$. The time taken to cross the bridge is:
7. The slope of a Distance-Time graph represents:
8. A body starts from rest and reaches a speed of $20 \text{ m/s}$ in $5 \text{ seconds}$. Its acceleration is:
9. Which type of motion is shown by a ball rolling down an inclined plane?
10. $1 \text{ km/h}$ is equivalent to:
11. A feather and an iron ball are dropped in a vacuum. Which one reaches the ground first?
12. The distance-time graph of a body moving with uniform speed is a:
13. Displacement is a vector because it has both ________ and ________.
14. If a car moves with a speed of $15 \text{ m/s}$ for $2 \text{ minutes}$, the distance covered is:
15. The motion of a piston in the cylinder of an engine is ________.
16. The weight of a body ________ from place to place on Earth.
17. $10 \text{ m/s}$ is equal to ________ $km/h$.
18. A body moving in a straight line always in the same direction has distance:
19. The frequency of a periodic motion is the number of repetitions in ________.
20. Acceleration is measured in: