The Student Room Group
<a https://www.thestudentroom.co.uk/showthread.php?t=7467335'> Year 12s: what will be the first way you research your future options? >>
<a https://www.thestudentroom.co.uk/showthread.php?t=7467335'> Year 12s: what will be the first way you research your future options? >>
<a https://www.thestudentroom.co.uk/showthread.php?t=7467335'> Year 12s: what will be the first way you research your future options? >>

M2 Edexcel Question 5

https://ca99c64778b62ba7e7b339967029e090c5733c3a.googledrive.com/host/0B1ZiqBksUHNYOXdJSDFGUUZPRUE/June%202013%20QP%20-%20M2%20Edexcel.pdf



Hi, why is there no resultant force at B when there is a mass over there, thanks in advance
Reply 1
Avatar for JLegion
JLegion
2
I'm assuming you mean part a) ?

The mass at B must be considered to get the result required, by taking moments about A.

The only reason the Mass at B will be ignored is if you take moments about B.

If I haven't answered your question, please be more specific.
Reply 2
Avatar for James_pa
James_pa
OP
6
I am talking about part a, but shouldnt there be a resultant going upwards at B due to the mass?
Reply 3
Avatar for James_pa
James_pa
OP
6
the contact force*
Reply 4
Avatar for James_pa
James_pa
OP
6
I don't understand why there isnt a contact force where there is a particle at B
Reply 5
Avatar for JLegion
JLegion
2
Original post by James_pa
I don't understand why there isnt a contact force where there is a particle at B


The rod is hinged at A, so the rod isn't producing any kind of resistance to the particle because it isn't fixed still - such as is frequent in M1 statics questions.

The particle is also fixed to the rod, so effectively it and the rod become one system.

It's tough to explain, if you need a better explanation I'll try my best.
Reply 6
Avatar for James_pa
James_pa
OP
6
ok, thanks i sort of understand it

Quick Reply

Related discussions

Latest

Trending

Trending

Articles for you