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KUMAR PRAKASHAN-WORK AND ENERGY -QUESTION & ANSWER (ANSWER THE FOLLOWING QUESTIONS IN VERY SHORT)
- Name the type of energy possessed by a stretched rubber band.
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- A car and a truck are moving with the same speed of 12ms^(-1). If thei...
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- What is the commerical unit of energy?
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- Find the velocity of a body of mass 100 g having kinetic energy 20 J.
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- State the law of conservation of energy.
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- Define work
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- What is the unit of work?
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- Is work a scalar or a vector quantity?
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- Why is the work done against gravity considered negative?
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- State two conditions needed for work to be done.
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- When is the work done by a force zero?
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- A porter is standing with a suitcase over his head. What is the work d...
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- What is energy?
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- What is the unit of energy?
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- What is mechanical energy?
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- What is potential energy?
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- If the work done on an object is 10 J and the object is displaced thro...
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- Which energy is stored in a stretched rubber band?
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- A car and a truck are moving with the same speed of 12ms^(-1). If thei...
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- What is the commerical unit of energy?
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