World's only instant tutoring platform
dropdown-logo
Get 2 FREE Instant-Explanations on Filo with code FILOAPP
Question

Question 38: Explain why, wooden (or concrete) sleepers are kept below the railway line.

tutor 0tutor 1tutor 2
Found 7 tutors discussing this question
Discuss this question LIVE
7 mins ago

Text SolutionText solutionverified iconVerified

Answer: Wooden or concrete sleepers are kept below the railway line because the weight of the train is spread over a large area of the sleepers. Therefore, the pressure acting on the ground under the sleepers is reduced. This prevents the shrinking of the ground under the weight of the train.
Was this solution helpful?
79
Share
Report
One destination for complete JEE/NEET preparation
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
Instant 1:1 help, 24x7
60, 000+ Expert tutors
60, 000+ Expert tutors
Textbook solutions
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Big idea maths, McGraw-Hill Education etc
Essay review
Essay review
Get expert feedback on your essay
Get expert feedback on your essay
Schedule classes
Schedule classes
High dosage tutoring from Dedicated 3 experts
High dosage tutoring from Dedicated 3 experts
Trusted by 4 million+ students

Practice questions from Physics (Lakhmir Singh)

View more
filo Logo

Practice questions on similar concepts asked by Filo students

Question 1
Views

Views: 5,938

WORK AND ENERGY cannot be. (e) When a ball is thrown upwards, Short Answer Type Questions from one form to another, but it 17. A trolley is pushed along a road with a force of through a distance of in 1 minute. Calculate the power developed. 18. What kind of energy transformations take place at a hydroelectric power station ? 19. What kind of energy transformations take place at a coal-based thermal power station ? 20. A man weighing carried a load of up a flight of stairs high in 5 seconds. What is the power ? 21. The power output of an engine is . How much work does the engine do in ? 22. An electric heater uses of electrical energy in 5 minutes. Calculate its power rating. 23. How much electrical energy in joules does a 100 watt lamp consume : (a) in 1 second ? (b) in 1 minute ? 24. Five electric fans of 120 watts each are used for 4 hours. Calculate the electrical energy consumed in kilowatthours. 25. Describe the energy changes which take place in a radio. 26. Write the energy transformations which take place in an electric bulb (or electric lamp). 27. Name five appliances or machines which use an electric motor. 28. A bulb lights up when connected to a battery. State the energy change which takes place : (i) in the battery. (ii) in the bulb. 29. The hanging bob of a simple pendulum is displaced to one extreme position and then released. It swings towards centre position and then to the other extreme position . In which position does the bob have :
View more
Doubt Icon Doubt Icon

Stuck on the question or explanation?

Connect with our Science tutors online and get step by step solution of this question.

231 students are taking LIVE classes
Question Text
Question 38: Explain why, wooden (or concrete) sleepers are kept below the railway line.
TopicGravitation
SubjectScience
ClassClass 9
Answer TypeText solution:1
Upvotes79