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Work, Energy and Power MCQ question and answer with solution | Physics Gk MCQs

Learn Work, Energy and Power MCQ Questions and answers with easy and logical explanations in Physics Gk . Work, Energy and Power MCQ question provides all type of technical mcq questions which is important for SSC-CGL, UPPSC, NDA, CDS and all govt examinations Page-4 section-1

Each section contains 100 MCQs on Work, Energy and Power .
31
The average power is equal to which of the following?
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Answer & Solution
Answer: Option D
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32
A force of 50 N displaces an object 10 m. What will be the work done by the force?
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Answer & Solution
Answer: Option A
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33
Body A whose mass is 2 kg and body B whose mass is 3 kg are moving towards each other at a velocity of 4 m/s and 2 m/s respectively, at the time of collision the elastic impact will be-
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Answer & Solution
Answer: Option D
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34
If an agent doing 'W' works in time 't', then his power will be-
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Answer: Option D
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35
What type of energy changes during the rain?
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Answer & Solution
Answer: Option D
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36
Which one of the following is a vector quantity?
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Answer: Option A
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37
Which one of the following force is non-central and non-conservative?
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Answer: Option A
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38
A man puts 20kg object on his head by raising the object 2m above from the surface of earth. Then work done will be-
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Answer: Option B
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39
What will be the force applied on an object of mass 'm' which is moving with acceleration 'a'?
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Answer & Solution
Answer: Option C
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40
Consider the following sentences.
1. In an inelastic collision, only momentum is conserved.
2. In elastic collision, both momentum and kinetic energy are conserved.
3. In an inelastic collision, both momentum and kinetic energy are conserved
Which of the sentences given above are correct?
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Answer: Option A
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