Work, Energy & Power: Quiz

alex.examtime9373
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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alex.examtime9373
Created by alex.examtime9373 almost 6 years ago
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Question 1

Question
What is the definition of work?
Answer
  • 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?
Answer
  • 7,500 J
  • 750 J
  • 33.33 J
  • 333 J

Question 3

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

Question 4

Question
The formula for kinetic energy is E = mgh
Answer
  • 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?
Answer
  • Kinetic
  • Potential
  • Thermal
  • Nuclear

Question 6

Question
I Joule is equal to which of the following?
Answer
  • 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?
Answer
  • Light --> electrical --> heat
  • Heat --> kinetic --> light
  • Electrical --> heat --> light
  • Potential --> light

Question 8

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

Question 9

Question
What is the formula for power?
Answer
  • Work/ time
  • Work x time
  • Work x distance
  • Work/ speed