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Choose the correct example(s) of uniform motion.
 

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Important Questions on Motion and Time

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A plucked string of a sitar executes _____(rectilinear/vibratory) motion.
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When a body can said to be in motion? Can anybody be at absolute rest?

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How can we get to know how fast or slow an object is moving?
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Speed measured over a measurable time interval is called average speed.

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Rapid and small oscillations are called
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Which of these is a periodic motion?
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Speed of a body is the distance travelled by the body in _____ second.
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Suppose, you are standing on the platform of a railway station watching the trains. There is a train passing by without stopping. It travels at 20 m/s and takes 6.9 s to pass you. What is the length of the train?
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Name the two parameters required to know how fast an object is moving.

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A car moves with a speed of 40 km/h for 15 min and then with a Speed of 60 km/h for the next 15 min. The total distance covered by the car is
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Find out as many words/terms used in this chapter from the word - maze.

 
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* There are six words/terms.

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Define speed. What is its SI unit?

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Measuring time is more difficult than measuring length. Do you agree? Give reasons.
 
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When is an object said to be in motion?

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Which statement correctly describes speed?
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Beating of our heart is an example of 
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An object moves at 10 km/h for 10 minutes and then moves 15 km/h for15 minutes. Find:

Total distance travelled by the object

 Average speed of the object

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Define state of motion.

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Salma takes 15 minutes from her house to reach her school on a bicycle. If the bicycle has a speed of 2 m/s, calculate the distance between her house and the school.
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Which scientific term is used to distinguish between fast and slow motion?