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MBD -HARYANA BOARD-WORK, ENERGY AND POWER-Example
- A mass of 10 kg is at a point A on a table. It is moved to a point B. ...
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- The potential energy of a freely falling object decreases progressivel...
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- What are the verious energy transformations that occur when you are ri...
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- Does the transfer of energy take palce when you push a huge rock with ...
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- A certain household has consumed 250 units of electric energy during a...
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- An object of mass 40 kg is raised to a height of 5 m above the ground....
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- What is the work done by the force of gravity on a satellite moving ro...
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- Can there be a displacement of any object in the absence of any extern...
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- A person holds a bundle of hay over his head for 30 minutes and gets t...
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- An electric heater is rated 1500W. How much energy does it use in 10 ...
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- An electric heater is rated 1500 W. How much energy does it use in 10 ...
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- An object of mass m is moving with a constant velocity upsilon How muc...
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- Calculate the work required to be done to stop a car of 1500 kg moving...
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- What do you mean by kinetic energy ? Derive an expression for the kine...
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- Explain the law of conservation of charge with the help of a suitable ...
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- If the force acting on the object is not in the direction of motion th...
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- Define power and its SI unit.?
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- Can a given amount of mechanical energy be completely converted into h...
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- Differentiate between Potential Energy and Kinetic Energy.
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- (a) What do you understand by the kinetic energy of a body ? (b) A b...
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