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

Qualification => Subject Doubts => GCE AS & A2 Level => Sciences => Topic started by: sweetie on June 06, 2010, 10:12:55 pm

Title: Phy Que.
Post by: sweetie on June 06, 2010, 10:12:55 pm

Hey
i just had an enquiry about a Que. which waz in paper1 and says , what is the minimum resultant force produced by 3N, 4N AND 5N forces when they act at diff. angles???

Title: Re: Phy Que.
Post by: astarmathsandphysics on June 06, 2010, 11:38:58 pm

5 and 4 act in oppsite directions and have resultant 1
3N force is at rightangles
use pythagoras theorem
sqrt(3^2 +1^2)=sqrt(10)

Title: Re: Phy Que.
Post by: sweetie on June 07, 2010, 02:12:37 pm

Thank You :)