Work And Power: Force That Gets Things Done

Calculate when force actually does work

ScienceGrade 9Mixed12 questions24 min

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Section A: Work Done · 6 questionsSection B: Power · 6 questions

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Define work and solve $W=Fs$ problems.

Choose the correct concept or calculation.

Question 1

EasyQuestion

In science, work is done when force causes what?

Topic: Work and Power · Skill: Define work done by constant force

Question 2

MediumQuestion

A person pushes a wall hard, but wall does not move. Work done on wall is?

Topic: Work and Power · Skill: Define work done by constant force

Question 3

EasyQuestion

A force of $10\,N$ moves an object $3\,m$ . Work done is?

Topic: Work and Power · Skill: Calculate work done by force

Question 4

MediumQuestion

If $50\,J$ work moves an object $5\,m$ , force is?

Topic: Work and Power · Skill: Calculate work done by force

Question 5

AdvancedQuestion

When is work done negative?

Topic: Work and Power · Skill: Define work done by constant force

Students learn scientific work, work calculations, power and rate of doing work.

Define work done by constant force, Calculate work done by force, Explain energy and its SI unit, Define power and its unit, Calculate power