During the experiment the window in the classroom was open and the wind was blowing, changing the air resistance in the room. Even though it is treated as frictionless, friction is always present everywhere, even if it is regarded as not present.Īnother force that we excluded was air resistance. Even though this experiment has not included friction, it was present in between the cart’s wheels and along the surface of the track. Throughout the experiment, we have not considered the force of friction. This experiment proved our point, but many possible errors were overlooked. It shows that the acceleration is directly proportional to the mass. The relationship between acceleration and mass is proportional. We hypothesized that as the mass on the hanger increases, the air resistance, will decrease, thus the acceleration of the object towards the center of the earth would be increased. We learned that our prediction at the start of this experiment was proven to be correct. Throughout this experiment the hanging mass (force) is increased which reduces the amount of air resistance it faces, thus making the acceleration faster, but still constant with the other accelerations. 0424įrom the data that was taken during this investigation, we can see that this graph shows accelerations that change constantly at the same rate. N ote: k is equal to slope of Acceleration vs Net Force
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