Motion: Quantities, Direction And Units

Get the basic language of motion right

ScienceGrade 9Mixed10 questions20 min

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Focus question style

Section A: Core Ideas · 5 questionsSection B: Application Practice · 5 questions

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Section A: Core Ideas

Practise the first group of related skills.

Choose the best answer for each question.

Question 1

EasyQuestion

A runner completes one full lap of a circular track and returns to the starting point. What is the displacement?

Topic: Motion Quantities · Skill: Differentiate distance and displacement

Question 2

MediumQuestion

Which quantity includes direction?

Topic: Motion Quantities · Skill: Differentiate speed and velocity

Question 3

MediumQuestion

Which option correctly completes this statement: Acceleration is defined as?

Topic: Motion Quantities · Skill: Define displacement velocity and acceleration

Question 4

AdvancedQuestion

What is the SI unit of acceleration?

Topic: Motion Quantities · Skill: Use SI units for motion quantities

Question 5

MediumQuestion

A student walks $3\,m$ east and then $4\,m$ west. What are distance and displacement?

Topic: Motion Quantities · Skill: Differentiate distance and displacement

What this assignment covers

Master distance, displacement, speed, velocity, acceleration and SI units.

Skills and sections

Differentiate distance and displacement, Differentiate speed and velocity, Define displacement velocity and acceleration, Use SI units for motion quantities

Section A: Core Ideas: 5 questions
Section B: Application Practice: 5 questions