Card 1 of 21
In which direction does a normal reaction force act?
A
mgsinθmg\sin\thetamgsinθ.
B
With no perpendicular acceleration or other perpendicular forces on an incline, R=mgcosθ\boxed{R=mg\cos\theta}R=mgcosθ.
C
It decreases the reaction.
D
Perpendicular to and away from the contact surface.
Card 1 of 21
3.3.9 Normal reaction force Flashcards
21 flashcards on OCR A Level Maths 3.3.9 Normal reaction force: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.