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It is a common experience that to initia...

It is a common experience that to initiate motion in a body at rest, force required is much greater than the force required to maintain the motion. Read the above passage and answer the following question:
(i) Do you agree with the statement?
(ii) How do you justify the statement?
(iii) What values of day to day life do you learn from this?

Text Solution

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(i) Yes, the statement is true
(ii) To initiate the motion in a body at rest, inertia of rest has to be overcome before the actual motion starts. The opposing force of friction is the limiting friction, which is larger than the dynamic friction that comes into play when the actual motion starts.
(iii) In a day to day life, we find that to initiate any activity, more intense efforts are needed to plug all the loop holes. Once the activity has actually begun, routine efforts are often enough to maintain it.
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PRADEEP-FORCES AND LAWS OF MOTION-MOCK TEST
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  11. When we stops pedalling a bicycle we are riding, the bicycle beigns to...

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  15. The force of action and reaction cannot cancel eachother because

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  16. A body moving along a straight line is brought to rest in 2 sec by a f...

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  17. The momentum of a person weighing 60kg walking with a velocity of 2m//...

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  18. Which of the following can be explained on the basis of Newton's third...

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