हिंदी

Explain the Following : After Alighting from a Moving Bus , One Has to Run for Some Distance in the Direction of Bus in Order to Avoid Falling .

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प्रश्न

Explain the following :
After alighting from a moving bus , one has to run for some distance in the direction of bus in order to avoid falling .

संक्षेप में उत्तर
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उत्तर

When people alight from a moving bus, they continue to run alongside the bus to avoid falling. If they were to stop at once, the feet would come to rest suddenly but the upper part of the body would still be in motion and they would tend to fall forward.

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अध्याय 3: Laws of Motion - Exercise 3 (B) [पृष्ठ ६३]

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सेलिना Concise Physics [English] Class 9 ICSE
अध्याय 3 Laws of Motion
Exercise 3 (B) | Q 21.4 | पृष्ठ ६३

संबंधित प्रश्न

Fill in the following blank with suitable word :

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In an imaginary atmosphere, the air exerts a small force F on any particle in the direction of the particle's motion. A particle of mass m projected upward takes time t1 in reaching the maximum height and t2 in the return journey to the original point. Then.


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(a) going up and slowing down
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(c) going down and slowing down
(d) going down and speeding up


A block of 2 kg is suspended from a ceiling by a massless spring of spring constant k = 100 N/m. What is the elongation of the spring? If another 1 kg is added to the block, what would be the further elongation?


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Name the different kinds of inertia an object can possess. Give an example of each.


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Two blocks A and B of masses m and 2 m, respectively, are held at rest such that the spring is in natural length. Find out the accelerations of both the blocks just after release.


The masses of 10 kg and 20 kg, respectively, are connected by massless spring as shown in the figure. A force of 200 N acts on the 20 kg mass. At the instant shown, the 10 kg mass has acceleration of 12 m/s2. What is the acceleration of 20 kg mass?

(g = 10 m/s2)

 


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