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MBD -HARYANA BOARD-WORK, ENERGY AND POWER-Example
- A force of 7N acts on an object. The displacement is, say 8m, in the d...
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- When do we say that work is done ?
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- Write an expression for the work done when a force is acting on an obj...
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- A pair of bullocks exerts a force of 140 N on a plough. The field bei...
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- A pair of bullocks exerts a force of 140 N on a plough. The field bei...
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- Define 1 J of work.
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- What is the kinetic energy of an object ?
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- Write an expression for kinetic energy of an object.
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- The kinetic energy of an object of mass m moving with a velocity of 5 ...
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- What is power ?
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- Define 1watt of Power.
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- A lamp consumes 1000 J of electrical energy is 10 s. What is its power...
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- Define Average Power.
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- Look at the activities listed below. Reson out whether or not work is ...
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- Look at the activites listed below. Reason out whether or not work is ...
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- Look at the activities listed blew. Reson out whether or not work is d...
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- Look at the activites listed below. Reason out whether or not work is ...
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- Look at the activites listed below. Reason out whether or not work is ...
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- Look at the activites listed below. Reason out whether or not work is ...
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- An object thrown at a certain angle to the ground moves in a curved pa...
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