6/11/2023 0 Comments Physics drop 2This is quite unlike the case for horizontal motion, where you can vary the force exerted and the mass independently. In fact, we can use Newton's second law of motion (see the SPT: Forces topic) to calculate the acceleration in each of these cases. But, the larger box has twice as much mass to set into motion, so it will accelerate at the same rate as a lighter object.Ī force of 20 newton on a 2 kilogram mass has the same effect as a force of 40 newton on a 4 kilogram mass. Since the larger box has twice the force pulling on it (and this is what you feel when you hold it in your hand), it is tempting to predict that it will fall more quickly. If one object has twice the mass of another the Earth will pull it with twice the force:īox of mass 2 kilogram: Pull of Earth is 20 newtonīox of mass 4 kilogram: Pull of Earth is 40 newton A simple explanation of why all objects fall at the same rate
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