Card 1 of 24
What is the SI unit of force?
A
So corresponding components can be added as signed quantities.
B
8cos120∘=−4 N8\cos120^\circ=-4\text{ N}8cos120∘=−4 N.
C
The newton (N).
D
For a force FFF at angle θ\thetaθ above the positive horizontal, Fx=F_x=Fx= Fcosθ\boxed{F\cos\theta}Fcosθ and Fy=F_y=Fy= FsinθF\sin\thetaFsinθ.
Card 1 of 24
3.3.16 Resultant forces and components (A-level only) Flashcards
24 flashcards on OCR A Level Maths 3.3.16 Resultant forces and components (A-level only): the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.