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# Linear Motion In One Dimension - Lab Report Example

## Extract of sample Linear Motion In One Dimension

All freely falling objects experience a downward acceleration. Using the symbol g to represent such special acceleration, the value increases with decreasing altitude. The value of g is around 9.8 m/sec2 at the earth’s surface. Because friction is neglected and the assumption is made that the free fall is not dependent on altitude over short distances, the motion of the freely falling objects is equal to the motion in a single dimension under constant acceleration thus making it possible to apply constant acceleration equations.
The recorded coefficient r values are both close to 1 indicating that the plotted points are closer to the experimental values. As per the recorded values, the increasing x values had a positive gradient whereas the decreasing x values had a negative gradient. Therefore, it is true that X increases at a constant rate with time, hence equation 1 is justified
The velocity after the bounce was higher because of the impulsive force exerted on the glider at the track’s end. Again, the recorded value of acceleration is reasonable because the velocity is reversed at the track’s end meaning there was a moment when no acceleration is acting on the glider.
In the inclined track, the glider was observed to move under a constant acceleration before or after bouncing and this is in harmony with equation 1 which states distance has a direct proportion to the square of time. The slope of velocity against time line matched the previously calculated acceleration value. The slopes of the velocity time graphs in the inclined track with the six blocks also matched the earlier on calculated acceleration value.
The trend observed in the all the three cases validates the linear motion equations. An analysis of the drawn graph gives acceleration values that are consistent proving that constant acceleration equations can be used in describing linear motion in one ...Show more

## Summary

Using air tracks made it possible to assume the absence of friction during motion. Motion sensors were used in monitoring the position of the glider with respect to time and the results recorded by use of the portable data…
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