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Mechanics
Calculating Force Applied to an Object of 100kg Moved 1m in 5s
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[QUOTE="sophiecentaur, post: 6860476, member: 199289"] There are two different questions here. If the object is moved over a (horizontal) distance and there's no friction AND we assume constant acceleration then the SUVAT equations will tell you that acceleration. Then the Force is ma. If it's lifted then you need that same force plus the weight of the object. Of course, we are assuming that the object starts off stationary. To get the answer, the question needs to be specified fully. Any decent text book will (or should) give you questions that are properly defined and for which there is just one correct answer but, if you are trying to deal with a practical situation of your own then defining the question is more up to you - we've all had the experience of getting more than one answer to this sort of problem and then had to go back and decide what the question was exactly. Can be difficult, sometimes, particularly in real life situations with motor cars and electric motors where you just don't expect constant acceleration. SUVAT goes out of the window for a start. :confused: [/QUOTE]
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Calculating Force Applied to an Object of 100kg Moved 1m in 5s
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