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प्रश्न
What do you mean by a kilo joule?
एका वाक्यात उत्तर
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उत्तर
A kilojoule of work is said to done when a force of 1 newton displaces a body through 1000 metres in its own direction.
1 kJ = 103 joules
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संबंधित प्रश्न
Define 1 joule of energy.
A body of mass 5 kg falls from a height of 10 m to 4 m. Calculate:
The loss in potential energy of the body,
The work done on an object does not depend on the :
Choose one or more correct alternatives.
Joule is the unit of ______.
- force
- work
- power
- energy
What should be the angle between the directions of the displacement and the applied force so that the work done is zero?
Write an expression for the work done against gravity.
Complete the following sentences:
The SI unit of work is ....... and of power is .......
Complete the following sentences:
Joule is the unit of .......
Give two examples of kinetic energy.
Is power a scalar or a vector quantity?
