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Hypothesis
Our hypothesis:
Gravity is a form of downward acceleration that
is caused by the mass of the earth acting on
objects and is calculable using various
methods.
TL;DR:
Gravity is acceleration and can be calculated
Procedure and Process:
Let’s be creativeExperiment A: Using the Pasco Sensors with Sparkvue
Experiment B: Dropping an object from a height and recording the process with a high frame rate camera
Experiment C: Releasing a physics car on a slope attached to ticker tape.
General ErrorsLimitation: Used a rectangular wooden block for
measurements.
● May have caused more air resistance due to larger surface area.
Improvement:
● Use a denser, brightly coloured cube for easier identification.
● However, this may be harder for the Pasco Sensors to track due to a decreased surface area.
Human Error: Held the sensor against the wall.● We may have accidentally shifted it, altering what the
sensor would pick up.
Improvement: ● Use tape to lock the sensor in position after making
sure it is level.
Experiment A
Human error: We were not certain as to when the drop actually started.
● It was difficult to judge in which frame in the video was the block actually released.
● Our perception may have affected the results.
Improvement: ● Use better lighting ● Mark a definitive line to determine the beginning of the
drop.
Experiment B
Limitations:● Friction between physics car and slope.● Resistance from the pull of the ticker tape.These forces slow down the movement of the block,
skewing the results.
Improvement: ● There are no effective ways of eliminating the friction
between the board and the physics car.
Experiment C
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