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Understanding Motion: Components, Distance, and Displacement Explained

Motion is defined as the change of position of an object over time, characterized by how far, in which direction, and at what speed. Essential components to describe motion include distance, the total path traveled, and displacement, the shortest path from start to end. A frame of reference is necessary to measure motion accurately, as it provides a point of comparison to observe movement. Understanding these concepts is crucial, as they are foundational to the study of physics and help explain relative motion in various contexts.

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Understanding Motion: Components, Distance, and Displacement Explained

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  1. Objective: describe the components needed to describe motion completely DO NOW Take out a clean piece of paper to write on. At the top answer, what is motion?

  2. Write the alphabet down the side of your paper. • Write words that begin with that letter that you think of when I say physics and motion • Exchange your ideas with the person next to you • Shout out words that you think are relevant for each letter and our topic

  3. A • APPLE, AMBULANCE, ACTION, AIRPLANE, AIR, ARROW,

  4. B • BOWLING BALLS, BOUNCE, BIRD, BOWL, BATTING, BASEBALL, BASKETBALL, BOLT, BOAT

  5. C • CAR, COLABORATE, CATCH, CLIMBING, CAT, CAPACITY, CARTS, CANNONBALL, CARRY, CRY

  6. D • DROP, DOGS, DISTANCE, DRINK, DROWN, DROWSY, DRUGS,

  7. E • EXERTION, EXERCISE, ENERGY, EGGS, ELEPHANT, EXIT, EXTRA, EATTING, EASY

  8. F • FORCE, FOREST, FLY, FROG, FAST, FLOCK, FART, FUN, FLABERGASTED, FISHING, FUNNY, FAT

  9. G • GRAVITY, GAS, GROUND, GALLOPING, GOATS, GROWL, GRIN, GRINDING, GULP, GARGLE, GO

  10. H • HEIGHT, HIPPO, HATS, HOPPING, HALT, HONEY,

  11. I • IGUANA, ICE, ILLUMINATE, ILLUSION, IN

  12. J • JUMP, JOGGING, JACKETS, JAGUAR, JACOB, JACK, JOZEF, JELLO, JANEL, JAMIE

  13. K • KICK, KANGAROO, KILOMETER, KITE, KARATE, KUNGFU,

  14. L • LEAP, LAUGH, LEVELS, LAMP, LION, LUMP, LOUD, LAGOON, LAP, LAURA, LEAN, LICK,

  15. M • MOITION, MONKEY, MOVING, MOUSE, MIGHTY, MONEY, MINERAL, MEASUREMENT, MEASEL, MEGA,

  16. N • NAVIGATION, NEWTON, NEUTRAL, NUTS, NICE,

  17. O • OPEN, ORBIT, OCTOPUS, OCTAVE, OBSERVATION, OXYGEN, ORDER,

  18. P • PORTIA, PENGUIN, PHYSICS, PLANTS, PLANETS, PARKING, POOH BEAR, PLANTAINS, PEOPLE, POLE

  19. Q • QUANTITY, QUAIL, QUACK, QUICK,QUEEN,

  20. R • ROCKET, REEDS, ROWBOAT, REBECA, REVERSE, RAT, RIVER, RATE, RACE, RIGHT, RUN

  21. S • SPEED, SHOOTING STAR, SPONGEBOB, SOCKS, SEA, SPOON, SIZE, SPOOL, SPIN, STUCK, SPIT, SNAKE, STICKS, STONES, SUBATOMIC,

  22. T • TIME, TICKLE, TURTLE, TRIP, TICK, TAUNT, TRUST, THROW, TRUCK,

  23. U • UNIT, UMBRELLA, UPSIDE DOWN, UNICORN

  24. V • VULTURES, VELOCITY, VISCOSITY, VACCUUM

  25. W • WIGGLE, WIND, WHEEL, WAGON, WOMAN, WATER

  26. X • X-RAY, XYLOPHONE

  27. Y • YO-YO, YAK, YACHT, YIELD, YOU, YETI, YANIBEL

  28. Z • ZEBRA, ZOO, ZUMBA, ZIP, ZORO, ZOOM,

  29. DO NOW • What is a frame of reference and relative motion?

  30. Frame of Reference • In order to describe motion a frame of reference is needed • A frame of reference is a system of objects that are not moving with respect to one another. • How fast something is moving is dependent on the frame of reference • Relative motion is movement in relation to a frame of reference

  31. Distance • Distance is the length of the path between two points. • The SI unit is meters and large distances use kilometers

  32. Displacement • Is the direction from the starting point and the length of a straight line from the starting point to the end point. • It is good to use displacements for directions • You may need to combine displacements which can be done using vector addition since displacement is an example of a vector.

  33. Combining Displacements Along A Straight Line • If in the same direction you add them • If in opposite directions you subtract them

  34. Displacement Not Along A Straight Line • When the vectors have different directions they may be combined by graphing. • The straight line from the start to the end point is called the resultant vector and that is the displacement.

  35. Recap • Displacement is….. • Direction from the starting point and the length of a straight line from the starting point to the ending point • Distance is…… • The length of the path between two points.

  36. Homework • Pg 331 #1-8

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