# Work, Energy & Power: Quiz

Quiz by , created almost 6 years 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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 Created by alex.examtime9373 almost 6 years ago
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### Question 1

Question
What is the definition of work?
• Force x acceleration
• Force x displacement
• Mass x acceleration
• Mass x displacement

### Question 2

Question
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?
• 7,500 J
• 750 J
• 33.33 J
• 333 J

### Question 3

Question
Energy is the ability to do work.
• True
• False

### Question 4

Question
The formula for kinetic energy is E = mgh
• True
• False

### Question 5

Question
When you take a lift from the ground floor to the first floor, what type of energy have you gained?
• Kinetic
• Potential
• Thermal
• Nuclear

### Question 6

Question
I Joule is equal to which of the following?
• 1 N/m
• 1 N m
• 1 m/N
• 1 N/s
• 1 m s

### Question 7

Question
What energy conversion takes place in a standard filament bulb?
• Light --> electrical --> heat
• Heat --> kinetic --> light
• Electrical --> heat --> light
• Potential --> light

### Question 8

Question
What energy conversion takes place in muscle cells?
• Potential --> kinetic
• Kinetic --> chemical
• Chemical --> potential
• Chemical --> kinetic

### Question 9

Question
What is the formula for power?