What condition must the forces satisfy for a particle to be in equilibrium?
A
Perpendicular to the surface.
B
Two-dimensional equilibrium gives ∑Fx=0\sum F_x=0∑Fx=0 and ∑Fy=0\boxed{\sum F_y=0}∑Fy=0.
C
Zero acceleration.
D
Their vector sum is zero: ∑F=0\sum \boldsymbol{F}=\boldsymbol{0}∑F=0.
3.4.9 Equations for a particle in equilibrium (A-level only) Flashcards
Flashcards for OCR (MEI) A Level Maths 3.4.9 Equations for a particle in equilibrium (A-level only), covering the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03. 20 cards, matched to the OCR (MEI) A Level Maths (H640) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.