hi_imcatherine
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What assumptions are made when you use SUVAT equations?
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dpksrk2015
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(Original post by hi_imcatherine)
What assumptions are made when you use SUVAT equations?
Acceleration is constant, there’s no air resistance, rope/tether has no weight/is modelled as light
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Eimmanuel
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(Original post by dpksrk2015)
Acceleration is constant, there’s no air resistance, particle has no weight/is modelled as a light particle
I am not why you say that the particle has no weight or modelled as a light. This has nothing to do with using SUVAT equations.
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lzyby23
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(Original post by dpksrk2015)
Acceleration is constant, there’s no air resistance, particle has no weight/is modelled as a light particle
I think you mean ropes and tethers are light/have no weight
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Eimmanuel
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(Original post by hi_imcatherine)
What assumptions are made when you use SUVAT equations?

SUVAT equations are "equations of motion" for constant acceleration, so the only assumption is that the acceleration is constant.
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dpksrk2015
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(Original post by Eimmanuel)
I am not why you say that the particle has no weight or modelled as a light. This has nothing to do with using SUVAT equations.
Effectively it is, because a question could come up saying why isn’t the model accurate - it’s because these things are made assumptions beforehand.
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Eimmanuel
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(Original post by dpksrk2015)
Effectively it is, because a question could come up saying why isn’t the model accurate - it’s because these things are made assumptions beforehand.
You are mixing things here as far as I am seeing. The mass of the particle should or will not affect the usage of "SUVAT" model.
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hi_imcatherine
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(Original post by Eimmanuel)
SUVAT equations are "equations of motion" for constant acceleration, so the only assumption is that the acceleration is constant.
Thank you!
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swinroy
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(Original post by hi_imcatherine)
What assumptions are made when you use SUVAT equations?
The acceleration is constant ie the same magnitude and direction throughout
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