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प्रश्न
Fill in the boxe to show the corresponding energy transformation.
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उत्तर
Electrical energy ⇌ Sound energy
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संबंधित प्रश्न
A man lifts a mass of 20 kg to a height of 2.5 m. Assuming that the force of gravity on 1 kg mass is 10 N, find the work done by the man.
State the law of conservation of energy.
How much work is done when a body of mass m is raised to a height h above the ground?
When is the work done by a force on a body : (a) positive, (b) negative, and (c) zero?
If the work done by a force in moving an object through a distance of 20 cm is 24.2 J, what is the magnitude of the force?
Define the term 'work'. Write the formula for the work done on a body when a force acts on the body in the direction of its displacement. Give the meaning of each symbol which occurs in the formula.
In which of the following case the work done by a force will be maximum : when the angle between the direction of force and direction of motion is 0° or 90°?
Choose one or more correct alternatives.
For work to be performed, energy must be ______.
- transferred from one place to another
- concentrated
- transformed from one type to another
- destroyed
Fill in the boxe to show the corresponding energy transformation.
________ is said to be done when a force is acting on it.
