Maths A-Level Mechanics, thrust or tension?!! Watch

Chenice
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Can some explain to me how to know whether to use thrust or tension in a question.
Is thrust only in things such as an inextensible rod and tension can be in anything?
Also if a car is towing a caravan downhill? Does that mean there is thrust or is it only if it is braking?!
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supreme overlord
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(Original post by Chenice)
Can some explain to me how to know whether to use thrust or tension in a question.
Is thrust only in things such as an inextensible rod and tension can be in anything?
Also if a car is towing a caravan downhill? Does that mean there is thrust or is it only if it is braking?!
http://www.thestudentroom.co.uk/show....php?t=2232134

I think this thread should help, good luck with mechanics
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Chenice
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(Original post by supreme overlord)
http://www.thestudentroom.co.uk/show....php?t=2232134

I think this thread should help, good luck with mechanics
Thanks!
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