Work and Energy Multiple Choice Questions and Answers 15 PDF Download

Learn work and energy MCQs, grade 9 physics test 15 for online learning courses and test prep. Physics efficiency multiple choice questions (MCQs), work and energy quiz questions and answers include physics worksheets for online learn physics courses distance learning.

Physics multiple choice questions (MCQ): system which gives an output equal to total energy used by it is called with options non-ideal system, negative system, ideal system and slow system, physics efficiency quiz with online eBooks download for problem-solving skills for secondary school and high school students. Free physics study guide to learn physics efficiency quiz to attempt multiple choice questions based test.

MCQs on Work and Energy Worksheets 15 Quiz PDF Download

MCQ: A system which gives an output equal to total energy used by it is called

  1. negative system
  2. non-ideal system
  3. ideal system
  4. slow system

C

MCQ: Main source of heat is

  1. moon
  2. stars
  3. sun
  4. Mars

C

MCQ: Kinetic energy with mass ‘m’ and velocity ‘v’ is

  1. 2 mv²
  2. 1/2 mv
  3. 2m⁄v²
  4. 1/2 mv²

D

MCQ: Ratio of required form of energy obtained from a system as output to total energy given to it as input is called its

  1. efficiency
  2. power
  3. stress
  4. strain

A

MCQ: SI unit of power is

  1. joules
  2. newton
  3. watt
  4. omega

C