What is Newton's second law?
Newton's second law states that the acceleration experienced by an object is directly proportional to the net applied force.
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Why do we need control variables?
To ensure a fair test so that the independent variable is only one changing and affecting the results.
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What would the shape of the force vs acceleration graph be?
A straight line through the origin shows a direct proportion between force and acceleration.
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What equipment is used to measure acceleration?
Light gates placed a known distance apart are used to measure acceleration by timing the trolley.
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