MCQ Test of Class 9, All Subjects Motion - Study Material
Question 2 :
A bus starting from rest moves with a uniform acceleration of $ 0.1 m s^{-2}$ for 2 minutes. What is the distance travelled?
Question 4 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d2ecf59b460d7261f65a.jpg' />
The above figure shows the distance time graph of three objects A, B and C. Are all three cars ever at the same point on the road?
Question 5 :
When an object moves in a circular path with uniform speed, its motion is called uniform circular motion. TRUE or FALSE ?
Question 6 :
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is, _____.
Question 7 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d29af59b460d7261f5ea.JPG' />
Four cars A, B, C and D are moving on a levelled road. Their distance versus time graphs are shown in above figure. Choose the correct statement
Question 8 :
Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?
Question 9 :
A bus decreases its speed from 80 km/h to 60 km/h in 5 s. What is the acceleration of the bus?
Question 10 :
What is the quantity which is measured by the area occupied below the velocity-time graph?
Question 11 :
What is the nature of the distance-time graphs for uniform motion of an object?
Question 12 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d2d0f59b460d7261f634.png' />
According to the speed-time graph for a car shown above, how far does the car travel in the first 4 seconds?
Question 13 :
A motorcyclist drives from A to B with a uniform speed of 30 km$h^{–1}$ and returns back with a speed of 20 km $h^{–1}$. Find its average speed.
Question 14 :
A car starts from rest and moves along the x-axis with constant acceleration 5 m$s^{-2}$ for 8 seconds. If it then continues with constant velocity, what distance will the car cover in 12 seconds since it started from the rest?
Question 15 :
Under what condition(s) is the magnitude of average velocity of an object equal to its average speed?
Question 16 :
The velocity of an object can be changed by changing the:
Question 17 :
A motorboat starting from rest on a lake accelerates in a straight line at a constant rate of $3.0 m s^{–2}$ for 8.0 s. How far does the boat travel during this time?
Question 18 :
A train is travelling at a speed of 90 km/h. Brakes are applied so as to produce a uniform acceleration of -0.5 in $m/s^2$. How far the train will go before it is brought to rest?
Question 19 :
A stone is thrown in a vertically upward direction with a velocity of 5 m/s. If the acceleration of the stone during its motion is 10 $m/s^2$ in the downward direction, what will be the height attained by the stone?
Question 20 :
Area under a v – t graph represents a physical quantity which has the unit
Question 21 :
A train starting from a railway station and moving with uniform acceleration attains a speed of 40 km/h in 10 minutes. Find its acceleration.
Question 22 :
Is it possible to have an object moving in a certain direction with an acceleration in the perpendicular direction?
Question 23 :
A driver of a car travelling at 52 km/h applies the brakes and accelerates uniformly in the opposite direction. The car stops in 5 s. Another driver going at 30 km/h in another car applies his brakes slowly and stops in 10 s. Which of the two cars travelled farther after the brakes were applied?
Question 24 :
A train is travelling at a speed of 90 km $h^{–1}$ . Brakes are applied so as to produce a uniform acceleration of $ – 0.5 m s^{-2}$. how far the train will go before it is brought to rest?
Question 25 :
Give an example for an object moving in a certain direction with an acceleration in the perpendicular direction.
Question 26 :
Give an example for an object moving with an acceleration but with uniform speed.
Question 27 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d2eef59b460d7261f65c.jpg' />
The above figure shows the distance time graph of three objects A,B and C. How far has B travelled by the time it passes C?
Question 28 :
Velocity is the speed of an object moving in a definite direction. TRUE or FALSE ?
Question 29 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d2f0f59b460d7261f65f.jpg' />
The speed-time graph for a car is shown in the the above figure. Which part of the graph represents uniform motion of the car?
Question 30 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d29cf59b460d7261f5ee.JPG' />
In the above figure, the velocity-time graph shows the motion of a cyclist. Find its acceleration.
Question 31 :
Is it possible to have an object with a constant acceleration but with zero velocity?
Question 32 :
A train starting from rest attains a velocity of 72 km $h^{–1}$ in 5 minutes. Assuming that the acceleration is uniform, What is the distance travelled by the train for attaining this velocity?
Question 33 :
A car accelerates uniformly from 18 km $h^{–1}$ to 36 km $h^{–1}$ in 5 s. What is the acceleration ?
Question 34 :
The distance travelled by the object in unit time is referred to as speed. TRUE or FALSE ?
Question 35 :
A bus starting from rest moves with a uniform acceleration of 0.1 $ms^{-2}$ for 2 minutes. What is the speed acquired?
Question 36 :
If an object does not travels in a straight line and its velocity do not increases or decreases by equal amounts in equal intervals of time, then the acceleration of the object is said to be ?
Question 37 :
A ball is gently dropped from a height of 20 m. If its velocity increases uniformly at the rate of $10 m s^{-2}$, After what time will it strike the ground?
Question 38 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d29bf59b460d7261f5ec.JPG' />
In the above figure, the velocity-time graph shows the motion of a cyclist. Find its velocity.
Question 39 :
A bus starting from rest moves with a uniform acceleration of $ 0.1 m s^{-2}$ for 2 minutes. What is the speed acquired ?
Question 40 :
An artificial satellite is moving in a circular orbit of radius 42250 km. What is its speed if it takes 24 hours to revolve around the earth?
Question 41 :
If the displacement of an object is proportional to square of time, then the object moves with:
Question 42 :
A signal from a spaceship reached the ground station in five minutes. What was the distance of the spaceship from the ground station? The signal travels at the speed of light, that is, $3\times10^8 $m per second.
Question 43 :
Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 30 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What is Joseph’s average velocity in jogging from A to C?
Question 44 :
Joseph jogs from one end A to the other end B of a straight 300 m road in 2 minutes 30 seconds and then turns around and jogs 100 m back to point C in another 1 minute. What is Joseph’s average speed in jogging from A to B ?
Question 45 :
What is the quantity which is measured by the area occupied below the velocity-time graph?
Question 46 :
A train starting from a railway station and moving with uniform acceleration attains a speed 40 km$h^{–1}$ in 10 minutes. What is its acceleration?
Question 47 :
The shortest distance measured from the initial to the final position of an object is known as the displacement. TRUE or FALSE ?
Question 48 :
What can you say about the motion of an object whose distance-time graph is a straight line parallel to the time axis?
Question 49 :
If an object travels in a straight line and its velocity increases or decreases by equal amounts in equal intervals of time, then the acceleration of the object is said to be ?
Question 50 :
A ball is gently dropped from a height of 20 m. If its velocity increases uniformly at the rate of $10 m s^{-2}$, with what velocity will it strike the ground?