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Why must both magnitude and direction be considered when combining forces?
A
Up the slope.
B
On a plane inclined at α\alphaα, the component of weight down the plane is mgsinα\boxed{mg\sin\alpha}mgsinα.
C
Force is a vector quantity.
D
Newton's second law relates resultant force to acceleration by F=ma\boxed{\mathbf{F}=m\mathbf{a}}F=ma.
Card 1 of 23
2.3.8 Forces and Newton's laws Flashcards
23 flashcards on CCEA A Level Maths 2.3.8 Forces and Newton's laws: the key formulae, methods and definitions you need to recall for AS 1, AS 2, A2 1 and A2 2.