Motion Important questions | Grade VIII

Important questions for Motion for Grade VIII

 

  1. Define motion .
  2. Define rest .
  3. What is a reference point or a reference frame ?
  4. Define Scalar and Vector quantity with example .
  5. Define distance and displacement .
  6. What type of motion is the apple falling from the tree , why ?
  7. Define uniform motion .
  8. Define non-uniform or variable motion .
  9. What is meant by speed ? Write its formula .
  10. Define velocity . Write its unit and formula .
  11. What is acceleration ? Write its unit and formula .
  12. Derive v = u + at where symbols has their usual meaning .
  13. Define positive acceleration and negative acceleration (retardation) .
  14. Define uniform and non-uniform acceleration .
  15. What will be the acceleration of a body moving with uniform velocity , why ?
  16. A car is moving with 30 km/hr. What does it indicate speed or velocity , why ?
  17. Define relative motion .
  18. Define relative velocity .
  19. Light travels 3,00,000 km/s. Is it velocity or speed ?

Some useful links : Measurement and Unit Important questions | Grade VIII , summary of look at the tea cup- magic of words

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