Work, Energy & Power: Quiz

Descripción

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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Test por alex.examtime9373, actualizado hace más de 1 año
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Creado por alex.examtime9373 hace casi 11 años
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Resumen del Recurso

Pregunta 1

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

Pregunta 2

Pregunta
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?
Respuesta
  • 7,500 J
  • 750 J
  • 33.33 J
  • 333 J

Pregunta 3

Pregunta
Energy is the ability to do work.
Respuesta
  • True
  • False

Pregunta 4

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

Pregunta 5

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

Pregunta 6

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

Pregunta 7

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

Pregunta 8

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

Pregunta 9

Pregunta
What is the formula for power?
Respuesta
  • Work/ time
  • Work x time
  • Work x distance
  • Work/ speed
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