Investigating Gravity in the Solar System: A Comprehensive Analysis
Explore the uniformity of acceleration due to gravity across the Solar System through a series of scientific investigations involving equipment, data analysis, equations of motion, and results interpretation. NASA's contributions are highlighted throughout the exploration.
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Presentation Transcript
Exploring Gravity Image credit: NASA/Earth Observatory
Investigate Is the acceleration due to gravity the same across the Solar System? Image credit: NASA
Equipment Is the acceleration due to gravity the same across the Solar System?
Make a Plan Is the acceleration due to gravity the same across the Solar System? Time when height of ball is 0m Time when ball stops moving Drop height Location in the Solar System Independent variable?? Dependent variable?? Force of drop Time to first bounce Direction of drop Height after 1 second
Make a Plan Is the acceleration due to gravity the same across the Solar System? Independent variable?? Dependent variable?? Location in the Solar System Time to first bounce Control variables Direction of drop Force of drop Drop height
Get results Is the acceleration due to gravity the same across the Solar System? Attempt 2
Analyse Data Is the acceleration due to gravity the same across the Solar System? Equations of motion Image credit: NASA
Analyse Data Is the acceleration due to gravity the same across the Solar System? 1 s = displacement u = initial velocity t = time a = acceleration t2 s = ut + 2a
Analyse Data Is the acceleration due to gravity the same across the Solar System? s = displacement u = initial velocity t = time a = acceleration a a s - ut = 2 t2
Analyse Data Is the acceleration due to gravity the same across the Solar System? Acceleration (a) = acceleration due to gravity (g) s = displacement u = initial velocity t = time a = acceleration g = acceleration due to gravity s = displacement u = initial velocity t = time s - ut = g 2 t2
Analyse Data Is the acceleration due to gravity the same across the Solar System? s = displacement u = initial velocity t = time g = acceleration due to gravity g 2 s - ut = t2
Analyse Data Is the acceleration due to gravity the same across the Solar System? h = drop height u = initial velocity t = time g = acceleration due to gravity g 2 h - ut = t2
Analyse Data Is the acceleration due to gravity the same across the Solar System? s = displacement u = initial velocity t = time g = acceleration due to gravity h = drop height t = time g = acceleration due to gravity g - s 2 ut h 2 s = t2 t2
Analyse Data Is the acceleration due to gravity the same across the Solar System? g =2 h = drop height t = time g = acceleration due to gravity t2
Analyse Data Is the acceleration due to gravity the same across the Solar System? Why do you think g varies across the Solar System? Is the acceleration due to gravity the same across the Solar System? What are the sources of error in your investigation? What assumptions have you made? Was it more difficult to make measurements in some locations? Why might that be? Was there more variation in your results in certain locations? Why might that be?
