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Step by step text solution for What is meant by power? How it is related to work? by PHYSICS experts to help you in doubts & scoring excellent marks in Class 11 exams.
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BINA LIBRARY-WORK,ENERGY AND POWER-EXERCISE
- What is meant by power? How it is related to work?
01:43
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- Define energy. It is a scaler or vector quantity?
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- Define work.What is its dimmensional formula.
02:05
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- What is the work done by the tension of the string in a simple pendulu...
01:45
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- A man holds a 10 kg box 2m above the ground.What is the work done?
01:41
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- What is the orientation of force to displacement so that work done is ...
02:17
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- What is the work done on a body of mass m moving around a horizontal c...
03:19
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- what are the characteristic of an elastic collision?
02:43
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- Define the co-efficient of restitution.
04:09
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- What is perfectly inelastic collision?
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- What is elastic potential energy?
02:05
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- Can kinetic energy be negative?
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- Can a body posses KE without Momentum?
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- Can a body posses momentum without KE?
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- Does a man sitting in a moving train posses KE?
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- Give an example where work done by a force is zero.
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- What is work? It is a scalar or a vector? What do you mean by watt?
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- Show that power= force X velocity
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- What is potential energy ?How is it measured?
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- Define Kinetic energy of a body.Derived an expression for the K.E of a...
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