Work, Energy & Power: Quiz

Descrição

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.
alex.examtime9373
Quiz por alex.examtime9373, atualizado more than 1 year ago
alex.examtime9373
Criado por alex.examtime9373 quase 11 anos atrás
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Resumo de Recurso

Questão 1

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

Questão 2

Questão
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?
Responda
  • 7,500 J
  • 750 J
  • 33.33 J
  • 333 J

Questão 3

Questão
Energy is the ability to do work.
Responda
  • True
  • False

Questão 4

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

Questão 5

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

Questão 6

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

Questão 7

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

Questão 8

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

Questão 9

Questão
What is the formula for power?
Responda
  • Work/ time
  • Work x time
  • Work x distance
  • Work/ speed

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