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प्रश्न
The work done on an object does not depend upon the
पर्याय
displacement
force applied
the angle between force and displacement
the initial velocity of the object
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उत्तर
initial velocity of the object
Explanation:
The work done on an object does not depend upon the initial velocity of the object.
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संबंधित प्रश्न
Write true or false of the following statement.
One form of energy cannot be converted into another form.
Match the following columns
| COLUMN A | COLUMN B |
| 1. Running water | 1. heat energy |
| 2. Burning | 2. vibrations |
| 3.Energy | 3.atom bomb |
| 4.Sound energy | 4.kinetic energy |
| 5.Nuclear energy | 5.joule |
State the unit of energy and define it.
What is potential energy ? State its unit.
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Answer the following in a word or two or in a sentence.
Write the formula for calculating the efficiency of a machine.
A cell converts one form of energy into another form. Name the two forms.
The commercial unit of energy is :
The weight of a person on planet A is about half that on the earth. He can jump up to 0.4 m in height on the surface of the earth. How high he can jump on planet A?
A ball is dropped from a height of 10 m. If the energy of the ball reduces by 40% after striking the ground, how much high can the ball bounce back? (g = 10 m s–2)
