Question 1 :
The numerical ratio of displacement to distance for a moving object is _____.
Question 2 :
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 from A to B?
Question 3 :
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 4 :
An object travels 16 m in 4 s and then another 16 m in 2 s. What is the average speed of the object?
Question 5 :
Is it possible for an object to change its direction while maintaing a uniform motion?
Question 6 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d29af59b460d7261f5eb.JPG' />
In the above figure, the velocity-time graph shows the motion of a cyclist. Find the distance covered in 15 seconds.
Question 7 :
A bus starting from rest moves with a uniform acceleration of 0.1 $ms^{-2}$ for 2 minutes. What is the speed acquired?
Question 8 :
A particle is moving in a circular path of radius r. The displacement after half a circle would be:
Question 10 :
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 from A to C?
Question 11 :
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?
Question 12 :
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 14 :
The brakes applied to a car produce an acceleration of $6 m s^{-2}$ in the opposite direction to the motion. If the car takes 2 s to stop after the application of brakes, What is the distance it travels during this time?
Question 16 :
Give an example for an object moving in a certain direction with an acceleration in the perpendicular direction.
Question 17 :
Which of the following equation is (are) equation of motion ?
Question 18 :
Velocity is the speed of an object moving in a definite direction. TRUE or FALSE ?
Question 19 :
When an object moves along a straight line with uniform acceleration, it's relation among its velocity, acceleration during motion and the distance covered by it in a certain time interval by a set of equations known as the equations of motion. TRUE or FALSE ?
Question 20 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d2cdf59b460d7261f630.png' />
The distance-time graph of three objects A,B and C is shown above,According to this graph,Which of the three is travelling the fastest?
Question 21 :
In which of the following cases of motions, the distance moved and the magnitude of displacement are equal?
Question 22 :
What is the nature of the distance-time graphs for uniform motion of an object?
Question 24 :
The distance travelled by the object in unit time is referred to as speed. TRUE or FALSE ?
Question 25 :
An electron moving with a velocity of $5 × 10^4$ $ms^{-1}$ enters into a uniform electric field and acquires a uniform acceleration of 104 $ms^{–2}$ in the direction of its initial motion. How much distance the electron would cover in this time?
Question 26 :
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 27 :
A stone is thrown in a vertically upward direction with a velocity of $5 m s^{-1}$. 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 28 :
A trolley, while going down an inclined plane, has an acceleration of $ 2 cm s^{-2}$. What will be its velocity 3 s after the start?
Question 29 :
The velocity of an object can be changed by changing the:
Question 30 :
What can you say about the motion of an object whose speed-time graph is a straight line parallel to the time axis?
Question 31 :
A train starting from rest attains a velocity of 72 km $h^{–1}$ in 5 minutes. Assuming that the acceleration is uniform, What is its acceleration ?
Question 32 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d2edf59b460d7261f65b.jpg' />
The above figure shows the distance time graph of three objects A, B and C. How far has C travelled when B passes A?
Question 33 :
If the displacement of an object is proportional to square of time, then the object moves with:
Question 34 :
What does the path of an object look like when it is in uniform motion?
Question 35 :
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 36 :
A farmer moves along the boundary of a square field of side 10 m in 40 s. What will be the magnitude of displacement of the farmer at the end of 2 minutes 20 seconds from his initial position?
Question 37 :
What is the nature of the distance-time graphs for non-uniform motion of an object?
Question 38 :
If the athlete takes t seconds to go once around the circular path of radius r, the speed v is given by ?
Question 39 :
Graphs provide a convenient method to present basic information about a variety of events. TRUE or FALSE ?
Question 41 :
A bus decreases its speed from 80 km/h to 60 km/h in 5 s. What is the acceleration of the bus?
Question 42 :
When will you say a body is in non-uniform acceleration ?
Question 43 :
Is it possible to have an object with a constant acceleration but with zero velocity?
Question 44 :
Abdul while driving to school computes the average speed for his trip to be 20 km/h. On his return trip along the same route, there is less traffic and the average speed is 40 km/h. What is the average speed for Abdul's trip?
Question 45 :
The average speed of an object is obtained by which of these formulas ?
Question 46 :
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 47 :
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, how much time will it take to reach the maximum height?
Question 48 :
The accelaration of an object is obtained by which of these formulas?
Question 50 :
State true or false: The magnitude of displacement is greater that the distance travelled by the object.