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SWINGING

WITH GRAVITY. SWINGING. Featuring the PENDULUM. Gravity Lab Presentation by David Bang Jessamyn Hung Mandy Lin Jennifer Yoon. Newton’s Law of gravity. Objective. Determine the value of gravity ( g ) as accurately as possible. PROCEDURE : REASONING.

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SWINGING

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  1. WITH GRAVITY SWINGING Featuring the PENDULUM Gravity Lab Presentation by David Bang Jessamyn Hung Mandy Lin Jennifer Yoon

  2. Newton’s Law of gravity

  3. Objective Determine the value of gravity (g) as accurately as possible.

  4. PROCEDURE:REASONING Why did we choose to use the pendulum? How does the pendulum relate to gravity?

  5. Hypothesis Is it possible to measure gravity using a pendulum? • If gravity puts force downwards on the pendulum, we should be able to calculate gravity using the time of one period.

  6. PROCEDURE: TRIAL & ERROR STEP ONE: CREATING MODEL What were the errors for our first trial? How did we improve? Left: Trial 1 Right: Final Trial

  7. PROCEDURE:EXPERIMENT What tools and equipment did we use? Which applications and programs helped our process?

  8. PROCEDURE:EXPERIMENT STEP TWO:EXPERIMENT

  9. RESULTS:RECORDED DATA Did having multiple trials help make more accurate results? STEP TWO:EXPERIMENT

  10. RESULTS:RECORDED DATA Finding out the value of “g”: STEP TWO:EXPERIMENT Formula: = = 9.771885546 • 9.77 Where did the formula come from?

  11. ASSUMPTION & LIMITATIONS What were the factors that affected the accuracy of our experiment? What were our thoughts throughout the process?

  12. Conclusion Our hypothesis was correct! Using the time of one period, we were able to calculate a measurement of gravity. Our final result for gravity was • 9.77 𝑚/𝑠𝑒𝑐2

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