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Grade 9 Physics MCQs

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Work and Energy Quiz Questions Online p. 15

Study Work and energy quiz questions and answers, work and energy MCQ questions with answers PDF to solve grade 9 physics quiz 15 for online certification. Physics Efficiency MCQs, work and energy quiz questions and answers for school certificate. "Work and Energy Quiz" PDF Book: physics: efficiency, forms of energy, kinetic energy, power test prep for free online classes.

"A system which gives an output equal to the total energy used by it is called" Multiple Choice Questions (MCQ) on work and energy with choices non-ideal system, negative system, ideal system, and slow system for school certificate. Learn physics efficiency quiz questions for school certificate programs for online school courses.

Work and Energy Questions and Answers

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

negative system
non-ideal system
ideal system
slow system

MCQ: The main source of heat is

moon
stars
sun
Mars

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

2 mv²
1/2 mv
2m ⁄ v²
1/2 mv²

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

efficiency
power
stress
strain

MCQ: The SI unit of power is

joules
newton
watt
omega

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