alex.examtime9373
Quiz by , created more than 1 year ago

This quiz tests knowledge learnt in the corresponding mind maps, flashcards and notes in the topic of Work, Energy & Power. It is aimed at a Leaving Certificate student, or someone who wishes to test their knowledge of work, energy, energy conversions and efficiency, and power.

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alex.examtime9373
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Work, Energy & Power: Quiz

Question 1 of 9

1

What is the definition of work?

Select one of the following:

  • Force x acceleration

  • Force x displacement

  • Mass x acceleration

  • Mass x displacement

Explanation

Question 2 of 9

1

If a person pushes a car for a distance of 15m with a force of 500 N. What is the work done by this person?

Select one of the following:

  • 7,500 J

  • 750 J

  • 33.33 J

  • 333 J

Explanation

Question 3 of 9

1

Energy is the ability to do work.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 9

1

The formula for kinetic energy is E = mgh

Select one of the following:

  • True
  • False

Explanation

Question 5 of 9

1

When you take a lift from the ground floor to the first floor, what type of energy have you gained?

Select one of the following:

  • Kinetic

  • Potential

  • Thermal

  • Nuclear

Explanation

Question 6 of 9

1

I Joule is equal to which of the following?

Select one of the following:

  • 1 N/m

  • 1 N m

  • 1 m/N

  • 1 N/s

  • 1 m s

Explanation

Question 7 of 9

1

What energy conversion takes place in a standard filament bulb?

Select one of the following:

  • Light --> electrical --> heat

  • Heat --> kinetic --> light

  • Electrical --> heat --> light

  • Potential --> light

Explanation

Question 8 of 9

1

What energy conversion takes place in muscle cells?

Select one of the following:

  • Potential --> kinetic

  • Kinetic --> chemical

  • Chemical --> potential

  • Chemical --> kinetic

Explanation

Question 9 of 9

1

What is the formula for power?

Select one of the following:

  • Work/ time

  • Work x time

  • Work x distance

  • Work/ speed

Explanation

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