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The distance covered by a body in unit t...

The distance covered by a body in unit time is called its…...

A

velocity

B

speed

C

displacement

D

rest

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State whether the following statements are true or false: The velocity of a body is given by the distance covered by it in unit time in a given direction.

The distance travelled in a particular direction by an object in unit time is called its….

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State whether the following statement are true or false: Displacement of a body and distance covered by the body in a given time interval have always the same magnitude.

Answer the following questions: The following table shows the distances covered by a bus in equal time intervals. Draw a graph of distance against time taking the time along the X-axis and distance along Y-axis. Does the graph show a direct proportionality between distance and time?

The displacement that occurs in unit time is called...........

Answer the following questions: The following table shown the distance covered by a car in fixed time intervals. Draw a graph of distance against time taking 'time' along the X-axis and 'distance' along the Y-axis.

Use your brain power: Amar, Akbar and Anthony are travelling in different cars with different velocities. The distance covered by them during different time intervals are given in the following table. Considering the distances covered by Amar, Akbar, Anthony in fixed time intervals, what can you say about their speeds?

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CHETANA PUBLICATION-LAWS OF MOTION-EXAMPLE
  1. …….is a relative concept.

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  2. …….is the length of the actual path travelled by an object in motion w...

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  3. The distance covered by a body in unit time is called its…...

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  4. S.I. unit ofspeed is………and in C.G.S unit it is…..

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  5. The distance travelled in a particular direction by an object in unit ...

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  6. Units of speed and velocity are the

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  7. …is related to distance , while is related to displacment…..

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  8. If an object covers equal distancesin equal time intervals, it issaid ...

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  9. If an object covers unequal distances in equal time intervals, it is s...

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  10. The rate of change of velocity is called

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  11. Speed of light in dry air is…..m//s.

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  12. When velocity of a body increases, its acceleration is

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  13. When velocity of a body decreases, its acceleration is……

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  14. Negative acceleration is also called …..or……

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  15. In case of ………..motion, object travels equal……. in equal intervals of ...

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  16. Motion of an object wasstudied by……

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  17. When an object moves in a circular path with uniform speed, its motion...

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  18. When a coin moves along a circular path, the direction of its motion a...

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  19. For all uniformly accelerated motions, the volcity time graph is a……..

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  20. In the distance-time graph, the slope of the straight line indicates

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