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WCS
WCS Set-1
Speed and Velocity, Work, Power and Energy
20

Speed and Velocity, Work, Power and Energy MCQ with Answers

20) What is the ratio of power output to power input?

Work

Energy

Efficiency

Acceleration

Answer is:

Efficiency

Speed and Velocity, Work, Power and Energy MCQ with Answers

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Related Speed and Velocity, Work, Power and Energy MCQ with Answers

21) What is called if a force of 1Newton acts on a body and moves it through a distance of 1 metre?

1 Joule

10 Joules

1 dyne

10 dynes

Answer is:

1 Joule

22) How many ergs for 1 Joule?

103 ergs

105 ergs

107 ergs

109 ergs

Answer is:

107 ergs

23) How many newtons for 1 kilogram?

981 Newtons

98.1 Newtons

9.81 Newtons

0.981 Newtons

Answer is:

9.81 Newtons

24) How many watts for 1 horse power in metric system?

725.5 watts

735.5 watts

745.5 watts

755.5 watts

Answer is:

735.5 watts

Speed and Velocity, Work, Power and Energy MCQ with Answers

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