Normal Reaction & Friction (Leaving Cert Applied Maths): Quizzes

📚Quizzes
Normal Reaction & Friction
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

12 questions from this quiz

Show

What is a reaction force?

Force transmitted by direct contact

What does the normal reaction force prevent when you stand on the ground?

Sinking into the ground

What is the key property of friction?

It opposes motion

In which direction does friction act relative to movement?

Opposite direction

What Greek letter represents the coefficient of friction?

μ\mu

Which formula relates friction force FF, normal reaction RR, and coefficient μ\mu?

F=μRF = \mu R

What does the coefficient of friction depend on?

Surface materials and roughness

The coefficient of friction is NOT affected by which property?

Size or shape of objects

When there's no vertical movement, what does normal reaction RR equal?

MgMg

What is limiting friction?

Maximum friction between surfaces

A 50kg desk with μ=0.6\mu=0.6 experiences 300N force. Find net force (g=9.8g=9.8 m/s2^2).

6N

If limiting friction is 294N but you apply 100N, what is the actual friction force?

100N

Explore Leaving Cert Applied Maths Revision Notes by Topics

Explore Leaving Cert Applied Maths Model Answers by Topics

Explore Leaving Cert Applied Maths Flashcards by Topics

Explore Leaving Cert Applied Maths Exam Questions by Topics

Join 100,000+ Leaving Cert students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.