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What is the magnitude and direction of an object's weight?
A
mgmgmg, acting vertically downwards.
B
PcosθP\cos\thetaPcosθ.
C
- mgsinαmg\sin\alphamgsinα down the plane
- mgcosαmg\cos\alphamgcosα into the plane
D
It opposes the actual or impending relative motion.
Card 1 of 20
3.4.12 Apply Newton's Laws to friction problems (A-level only) Flashcards
20 flashcards on OCR (MEI) A Level Maths 3.4.12 Apply Newton's Laws to friction problems (A-level only): the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03.