Understanding Friction Concepts

Understanding Friction Concepts

8th Grade

10 Qs

quiz-placeholder

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Understanding Friction Concepts

Understanding Friction Concepts

Assessment

Quiz

Others

8th Grade

Easy

Created by

Kosuru Eswar Achari

Used 2+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three main types of friction?

Kinetic friction, viscous friction, thermal friction

Static friction, fluid friction, magnetic friction

Frictionless motion, sliding friction, air resistance

Static friction, kinetic friction, rolling friction

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does surface roughness affect friction?

Surface roughness has no effect on friction.

Smoother surfaces always result in higher friction.

Increased surface roughness decreases friction.

Surface roughness generally increases friction due to enhanced interlocking of surface features.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can you give an example of static friction in everyday life?

A person pushing a heavy box across the floor.

A book resting on a table.

A ball rolling down a hill.

A car sliding on ice.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role does weight play in the amount of friction?

Weight has no effect on friction.

Increased weight decreases friction.

Weight increases the amount of friction.

Friction is only dependent on surface texture.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is friction beneficial in sports?

Friction is beneficial in sports as it enhances grip and control, enabling better performance and safety.

Friction reduces speed and control in sports.

Friction is only harmful and has no benefits in sports.

Friction makes surfaces slippery, which is advantageous for athletes.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is kinetic friction and how does it differ from static friction?

Kinetic friction only acts on rough surfaces.

Static friction occurs between moving surfaces.

Kinetic friction is stronger than static friction.

Kinetic friction opposes motion between sliding surfaces, while static friction prevents motion between stationary surfaces.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name a common application of friction in machinery.

Braking systems

Lubrication systems

Power transmission systems

Cooling systems

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