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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-1 section-3

Each section contains 100 MCQs on Work, Energy and Power .
1
What will be the momentum of a body of mass 50 kg moving at a speed of 20 ms-1?
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Answer & Solution
Answer: Option D
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2
What is the sum of the kinetic energy and potential energy of an object is called?
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Answer & Solution
Answer: Option B
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3
Which of the following physical quantity measures the rate of work done?
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Answer & Solution
Answer: Option A
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4
An object with mass 'M' moves with speed 'V' and has kinetic energy 'A'. If its velocity is doubled, So what will be its kinetic energy-
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Answer & Solution
Answer: Option C
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5
Mohan having a mass of 40 kg. He climbs 50 steps of a staircase in 10s. If the height of each step is 15cm then what is his power?
(g = 10 m/s2)
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Answer: Option C
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6
What is the force exerted on any object by a solid surface in the normal direction?
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Answer: Option A
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7
If an object is grabbed by both the ends and the force applied on it is called . . . . . . . .
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Answer: Option D
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8
The working principle of a washing machine is
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Answer: Option A
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9
Which of the following is an example of potential energy?
1. Bricks placed on the roof of the house
2. Spring of a clock when it rotates
3. Compressed spring
4. Stored water in an elevated reservoir under the water supply system
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Answer: Option D
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10
An object weighing 20 kg is raised through a height of 2m. What will be the work done by the force of gravity in this process?
Take g = 10m/s2
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Answer & Solution
Answer: Option A
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