Physics Practice: Motion (Mock Test 4 - Expert)
1. In an expert physics trial, a particle moves along a semicircular path of radius $R$. When it reaches the opposite end, the ratio of its distance to displacement is:
2. Which of the following graphs represent a body moving with a constant non-zero acceleration?
3. A train moving at $54 \text{ km/h}$ is brought to rest in $1 \text{ minute}$ by applying brakes. The retardation is:
4. For a body moving with uniform velocity, the acceleration is exactly:
5. "Relative Motion" implies that an object can be at rest and in motion simultaneously. This depends entirely on the:
6. A car travels North at $20 \text{ m/s}$ and then turns South traveling at $20 \text{ m/s}$. The change in velocity is:
7. If the distance covered by an object is zero, then its displacement:
8. A ball is thrown vertically upwards. At the highest point of its flight:
9. "Oscillatory Motion" becomes "Vibratory Motion" when the frequency of oscillation is:
10. The odometer of a car reads $2000 \text{ km}$ at the start and $2400 \text{ km}$ at the end of an $8$-hour trip. The average speed is:
11. A body moving with a uniform speed in a circle is an expert example of ________ motion.
12. The area under a Velocity-Time graph represents:
13. Which of the following is NOT possible for a Distance-Time graph?
14. If a body starts from $A$, moves to $B$, and returns to $A$, its average speed is $v$. Its average velocity is:
15. A body whose position-time graph is a straight line with a negative slope is moving with:
16. The weight of a $10 \text{ kg}$ mass on Earth (where $g = 9.8 \text{ m/s}^2$) is:
17. $18 \text{ km/h}$ is exactly equal to ________ $m/s$.
18. Circular motion with constant speed is accelerated because ________ changes continuously.
19. The slope of a Velocity-Time graph represents:
20. Which quantity remains unchanged even if the direction of motion changes for a body moving with constant speed?