Card 1 of 20
Friction acts [ ].
A
Friction acts opposite to the actual or impending motion.
B
The friction model is 0≤F≤μR\boxed{0\leq F\leq \mu R}0≤F≤μR.
C
R=mgcosθR=mg\cos\thetaR=mgcosθ.
D
F=8 NF=8\text{ N}F=8 N.
Card 1 of 20
3.3.20 Coefficient of friction (A-level only) Flashcards
20 flashcards on OCR A Level Maths 3.3.20 Coefficient of friction (A-level only): the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.