# M1 - Thrust!?Watch

This discussion is closed.
Thread starter 9 years ago
#1
Just looking at the June 09 paper, and they mention "thrust in the two bar". I've never come across thrust in any book for M1.

So can someone explain the basic principles of thrust for me? How, when, where it reacts?

It also made Tension disappear.
1
9 years ago
#2
(Original post by OrangeStu)
Just looking at the June 09 paper, and they mention "thrust in the two bar". I've never come across thrust in any book for M1.

So can someone explain the basic principles of thrust for me? How, when, where it reacts?

It also made Tension disappear.
how do you have the june 09 paper? can you send me the link please!
Sorry for providing absolutely no help but i've never seen thrust before either :\
0
9 years ago
#3
Thrust is the opposite of tension. If a rod (e.g. towbar) is being squashed, as when a car and caravan are braking, the towbar will push on both vehicles rather than pulling on them. So the arrow for the force at each end of the towbar will be towards the vehicles (rather than away from them if it were a tension).
9
9 years ago
#4
Basically the driving force..
1
Thread starter 9 years ago
#5
(Original post by Wesssty)
Basically the driving force..
Well driving force is 0 and thrust acts as 100N in two places
0
9 years ago
#6
(Original post by hallix)
how do you have the june 09 paper? can you send me the link please!
Sorry for providing absolutely no help but i've never seen thrust before either :\
I can't understand why teachers are not giving out the recent papers (assuming they are not still keeping them for mocks). The last 3 or so Edexcel M1 papers have contained several ideas that are different in style from the previous ones. It is therefore important that candidates have worked through these papers.
0
9 years ago
#7
(Original post by Wesssty)
Basically the driving force..
No!
0
9 years ago
#8
(Original post by tiny hobbit)
I can't understand why teachers are not giving out the recent papers (assuming they are not still keeping them for mocks). The last 3 or so Edexcel M1 papers have contained several ideas that are different in style from the previous ones. It is therefore important that candidates have worked through these papers.
Oh so we can only get them from teachers? i've got the jan 09 paper, which was apparently the first with the new examiner...is that right?

Thanks x
0
9 years ago
#9
(Original post by hallix)
Oh so we can only get them from teachers? i've got the jan 09 paper, which was apparently the first with the new examiner...is that right?

Thanks x
June 08 was his as well. That one you can get from the Edexcel website without a password:

http://www.edexcel.com/migrationdocu...e_20080521.pdf

The June 09 paper was posted on TSR yesterday.
0
9 years ago
#10
I hade the same issue... unfortunately it was during the actual exam!!!
0
9 years ago
#11
(Original post by NothingOriginal...)
I hade the same issue... unfortunately it was during the actual exam!!!
Ditto... we had never covered it at all! I spent so long just thinking that one question had ruined the whole thing.

OP, basically it is the opposite of tension, so just acts in the opposite way to it
0
9 years ago
#12
So tension is ignored/goes away and there is only thrust? I think I used both tension and thrust in the actual exam so got it wrong.
0
9 years ago
#13
Strings can only pull (pull = tension).

Rods can pull or push (push = thrust). (Imagine background titter from AS class of boys).
1
9 years ago
#14
(Original post by tiny hobbit)
June 08 was his as well. That one you can get from the Edexcel website without a password:

http://www.edexcel.com/migrationdocu...e_20080521.pdf

The June 09 paper was posted on TSR yesterday.
i cant seem to find it can u give a link?
0
9 years ago
#15
(Original post by sylhpalr)
i cant seem to find it can u give a link?
It's here, post # 12

http://www.thestudentroom.co.uk/show...l#post23052999
0
9 years ago
#16
(Original post by OrangeStu)
Just looking at the June 09 paper, and they mention "thrust in the two bar". I've never come across thrust in any book for M1.

So can someone explain the basic principles of thrust for me? How, when, where it reacts?

It also made Tension disappear.
It's the force acting on an object when it's being pushed. (Compression)
Unlike tension, which is the force acting on an object when it is being pulled along by a string.
0
9 years ago
#17
(Original post by tiny hobbit)
It's here, post # 12

http://www.thestudentroom.co.uk/show...l#post23052999
thank u soooo much =]
0
9 years ago
#18
Thrust.

It basically comes about as a result of an inequality between two supposed integers. The tension disappears after the problem is worked through and normalised, which you do by equalising the problematic problem.
9 years ago
#19
(Original post by tiny hobbit)
Strings can only pull (pull = tension).

Rods can pull or push (push = thrust). (Imagine background titter from AS class of boys).
Agreed.

0
5 years ago
#20
So is tension present when the connected particles are accelerating and thrust when they are decelerating??
0
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