IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => GCE AS & A2 Level => Math => Topic started by: Saladin on January 15, 2010, 11:04:05 am

Title: M1 help
Post by: Saladin on January 15, 2010, 11:04:05 am

Please help me with the attatchment.

Title: Re: M1 help
Post by: mousa on January 15, 2010, 11:37:56 am

ok, here it has been assumed that the plane is smooth ,therefore the only force acting on the particle is the component of its weight which is prallel to the plane(slope), and as you now the resultant force = mass * acceleration, so the resultant force in this case = mgsin(theta)-0( friction, which can simply be neglected!!)..therefore for an object moving down a smooth palne it will Always have an acceleration of  mgsin(theta)/m....= gsin(theta),  and thefore for an object moving up the plane its acc will be - gsin(theta).sorry for not being able to justify why is your method  incorrect.

Title: Re: M1 help
Post by: Saladin on January 15, 2010, 11:55:39 am

It would be more helpful if you could send me a labelled diagram.

Title: Re: M1 help
Post by: nid404 on January 15, 2010, 01:50:25 pm

check this

at the end of ur write up

Title: Re: M1 help
Post by: astarmathsandphysics on January 15, 2010, 02:47:34 pm

Thanks. I emailed him too.

Title: Re: M1 help
Post by: Saladin on January 15, 2010, 05:36:32 pm

Look at part 1 and then part 001.

Title: Re: M1 help
Post by: nid404 on January 16, 2010, 09:47:28 am

looked   :D