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Motion

Motion. Mr. Skirbst Physical Science Topic 03. What is motion?. What is motion?. motion is a change in position over a period of time. Frame of reference. Frame of reference. Object or background with which movement is compared. SPEED :. SPEED :. rate at which an object moves.

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Motion

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  1. Motion Mr. Skirbst Physical Science Topic 03

  2. What is motion?

  3. What is motion? motion is a change in position over a period of time

  4. Frame of reference

  5. Frame of reference Object or background with which movement is compared

  6. SPEED:

  7. SPEED: rate at which an object moves

  8. SPEED: rate at which an object moves S = d / t S = speed; d = distance; t = time

  9. SPEED: rate at which an object moves S = d / t S = speed; d = distance; t = time Constant speed – does NOT change over time Average speed = TOTAL distance / TOTAL time

  10. Example: If an object moves 100 km in 5 hrs, what is its speed?

  11. VELOCITY

  12. VELOCITY speed in a given direction Ex. 10 km/hr east

  13. ACCELERATION

  14. ACCELERATION Rate of change in velocity

  15. ACCELERATION Rate of change in velocity A = ( Vf – Vo ) / t A = acceleration Vf = final velocity Vo = original velocity T = time

  16. Example:A car is able to reach 100 km/hr (east) in 5 seconds from a starting line. What is its acceleration?

  17. MOMENTUM

  18. MOMENTUM how difficult it is to start or stop an object

  19. MOMENTUM how difficult it is to start or stop an object M = (m) (v) M = momentum m = mass v = velocity

  20. Example: A truck has a mass of 10,000 kg and is moving at a velocity of 100 km/hr. What is its momemntum?

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