Direction of acceleration due to gravity vectors
<ul><li>* </li></ul>Acceleration due to gravity is a vector quantity.
<ul><li>Vectors can be represented by an arrow to show  magnitude  and  direction </li></ul>
<ul><li>On your whiteboards, draw the direction of acceleration for the following objects. </li></ul><ul><li>The dashed li...
#1.  A pebble dropped from a bridge <ul><li>* </li></ul>Answer
#1. A pebble dropped from a bridge <ul><li>* </li></ul>The vector is oriented down.
#2.  A baseball tossed up in the air, halfway up the path   <ul><li>* </li></ul>Answer
#2.  A baseball tossed up in the air, halfway up   the path  <ul><li>* </li></ul>The vector is oriented down.
#3. A baseball tossed up in the air, at the top  <ul><li>* </li></ul>Answer
#3. A baseball tossed up in the air, at the top  <ul><li>* </li></ul>The vector is oriented down.
#4.  A baseball tossed up in the air, right before it strikes the ground  <ul><li>* </li></ul>Answer
#4.  A baseball tossed up in the air, right before it strikes the ground  <ul><li>* </li></ul>The vector is oriented down.
#5. A football is thrown at a 45 0  angle, at the top of its path <ul><li>* </li></ul>Answer
#5. A football is thrown at a 45 0  angle, at the top of its path <ul><li>* </li></ul>The vector is oriented down.
#6.  A cannonball rolling off a table <ul><li>* </li></ul>Answer
#6.  A cannonball rolling off a table <ul><li>* </li></ul>The vector is oriented down.
<ul><li>What can you summarize about the  direction  of the vector representing acceleration of all these objects? </li></...
<ul><li>The rock pebble football and all have different masses. How does this affect the  magnitude  of the  acceleration ...
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Acceleration

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Acceleration

  1. 1. Direction of acceleration due to gravity vectors
  2. 2. <ul><li>* </li></ul>Acceleration due to gravity is a vector quantity.
  3. 3. <ul><li>Vectors can be represented by an arrow to show magnitude and direction </li></ul>
  4. 4. <ul><li>On your whiteboards, draw the direction of acceleration for the following objects. </li></ul><ul><li>The dashed line represents its path. </li></ul><ul><li>* not drawn to scale </li></ul>
  5. 5. #1. A pebble dropped from a bridge <ul><li>* </li></ul>Answer
  6. 6. #1. A pebble dropped from a bridge <ul><li>* </li></ul>The vector is oriented down.
  7. 7. #2. A baseball tossed up in the air, halfway up the path <ul><li>* </li></ul>Answer
  8. 8. #2. A baseball tossed up in the air, halfway up the path <ul><li>* </li></ul>The vector is oriented down.
  9. 9. #3. A baseball tossed up in the air, at the top <ul><li>* </li></ul>Answer
  10. 10. #3. A baseball tossed up in the air, at the top <ul><li>* </li></ul>The vector is oriented down.
  11. 11. #4. A baseball tossed up in the air, right before it strikes the ground <ul><li>* </li></ul>Answer
  12. 12. #4. A baseball tossed up in the air, right before it strikes the ground <ul><li>* </li></ul>The vector is oriented down.
  13. 13. #5. A football is thrown at a 45 0 angle, at the top of its path <ul><li>* </li></ul>Answer
  14. 14. #5. A football is thrown at a 45 0 angle, at the top of its path <ul><li>* </li></ul>The vector is oriented down.
  15. 15. #6. A cannonball rolling off a table <ul><li>* </li></ul>Answer
  16. 16. #6. A cannonball rolling off a table <ul><li>* </li></ul>The vector is oriented down.
  17. 17. <ul><li>What can you summarize about the direction of the vector representing acceleration of all these objects? </li></ul><ul><li>What are other examples? </li></ul>
  18. 18. <ul><li>The rock pebble football and all have different masses. How does this affect the magnitude of the acceleration vectors? </li></ul><ul><li>On Earth, what would its magnitude be? </li></ul>

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