McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
Chapters
| 1. |
Only force acting on a bouncing ball is |
| A. | gravity |
| B. | weight of ball |
| C. | friction |
| D. | a and b both |
| Answer» D. a and b both | |
| 2. |
Accelerometer detects the |
| A. | small acceleration |
| B. | large acceleration |
| C. | small deceleration |
| D. | large acceleration and deceleration |
| Answer» D. large acceleration and deceleration | |
| 3. |
If the gradient of a graph is negative, then the acceleration is |
| A. | positive |
| B. | negative |
| C. | zero |
| D. | 1 |
| Answer» B. negative | |
| 4. |
If a student drops a stone from a cliff of height 30 m and the time it takes to reach the ground is 2.6 s, then the acceleration due to gravity is |
| A. | $$$9ms^{-2}$$$ |
| B. | $$$10ms^{-2}$$$ |
| C. | $$$4ms^{-2}$$$ |
| D. | $$$8.8ms^{-2}$$$ |
| Answer» D. $$$8.8ms^{-2}$$$ | |
| 5. |
Gradient of line of velocity-time graph is tells us the |
| A. | velocity |
| B. | acceleration |
| C. | distance |
| D. | time |
| Answer» B. acceleration | |
| 6. |
A stone is thrown upwards with initial velocity of $$$20ms^{-1}$$$, the height that stone will reach would be |
| A. | 20 m |
| B. | 30 m |
| C. | 40 m |
| D. | 50 m |
| Answer» A. 20 m | |
| 7. |
Projectile will attain its maximum range, if it is fired at an angle of |
| A. | 30° |
| B. | 47° |
| C. | 90° |
| D. | 45° |
| Answer» D. 45° | |
| 8. |
Horizontal component of a bouncing ball is |
| A. | affected by gravity |
| B. | unaffected by gravity |
| C. | affected by weight |
| D. | affected by contact force |
| Answer» B. unaffected by gravity | |
| 9. |
When ball having a projectile motion is rising up, it |
| A. | decelerates |
| B. | accelerates |
| C. | rises up with constant acceleration |
| D. | acceleration becomes zero |
| Answer» A. decelerates | |
| 10. |
Equation of motion can be used for |
| A. | straight line motion only |
| B. | curved motion only |
| C. | motion along the circular path |
| D. | all types of motion |
| Answer» A. straight line motion only | |
| 11. |
Acceleration of free fall depends on the |
| A. | surface |
| B. | weight of object |
| C. | distance from center of Earth |
| D. | size of object |
| Answer» B. weight of object | |
| 12. |
If initial velocity of an object is zero, then distance covered by it in time t and acceleration of $$$9.8ms^{-2}$$$ would be |
| A. | $$$2.9\:t^{2}$$$ |
| B. | $$$3\:t^{2}$$$ |
| C. | $$$4\:t^{2}$$$ |
| D. | $$$4.9\:t^{2}$$$ |
| Answer» D. $$$4.9\:t^{2}$$$ | |
| 13. |
As the ball falls towards the ground, its velocity |
| A. | increases |
| B. | decreases |
| C. | remains constant |
| D. | becomes zero |
| Answer» A. increases | |
| 14. |
Gradient of velocity-time graph tells us about object's |
| A. | velocity |
| B. | displacement |
| C. | distance |
| D. | acceleration |
| Answer» D. acceleration | |
| 15. |
An object whose velocity is changing is said to be in a state of |
| A. | acceleration |
| B. | rest |
| C. | equilibrium |
| D. | Brownian motion |
| Answer» A. acceleration | |
| 16. |
Acceleration of train when it is moving steadily from $$$4.0\:ms^{-1}$$$ to $$$20\:ms^{-1}$$$ in 100s is |
| A. | $$$1\:ms^{-2}$$$ |
| B. | $$$2\:ms^{-2}$$$ |
| C. | $$$0.16\:ms^{-2}$$$ |
| D. | $$$3\:ms^{-2}$$$ |
| Answer» C. $$$0.16\:ms^{-2}$$$ | |
| 17. |
If we get a straight line with positive slope then its acceleration is |
| A. | increasing |
| B. | decreasing |
| C. | zero |
| D. | constant |
| Answer» D. constant | |
| 18. |
If a spinster staring from rest has acceleration of $$$5ms^{-2}$$$ during 1st 2.0s of race then her velocity after 2 s is |
| A. | $$$20ms^{-1}$$$ |
| B. | $$$10ms^{-1}$$$ |
| C. | $$$15ms^{-1}$$$ |
| D. | $$$5ms^{-1}$$$ |
| Answer» B. $$$10ms^{-1}$$$ | |
| 19. |
Horizontal distance traveled by a ball if it's thrown with initial velocity of $$$20ms^{-1}$$$ at an angle of 30° is |
| A. | 24 m |
| B. | 56 m |
| C. | 35.3 m |
| D. | 36.3 m |
| Answer» C. 35.3 m | |
| 20. |
If a car starting from rest reaches a velocity of $$$18ms^{-1}$$$ after 6.0 s then its acceleration is |
| A. | $$$1ms^{-2}$$$ |
| B. | $$$2ms^{-2}$$$ |
| C. | $$$3ms^{-2}$$$ |
| D. | $$$4ms^{-2}$$$ |
| Answer» C. $$$3ms^{-2}$$$ | |
| 21. |
A train travelling at $$$20m s^{-1}$$$ accelerates at $$$ 0.5ms^{-2}$$$ for 30 s, the distance travelled by train is |
| A. | 825 m |
| B. | 700 m |
| C. | 650 m |
| D. | 600 m |
| Answer» A. 825 m | |
| 22. |
Area under velocity-time graph tells us the |
| A. | time |
| B. | acceleration |
| C. | displacement |
| D. | velocity |
| Answer» C. displacement | |
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