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प्रश्न
Fill in the blank
The ability to do work is called ______
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उत्तर
The ability to do work is called energy
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संबंधित प्रश्न
A certain household has consumed 250 units of energy during a month. How much energy is this in joules?
Fill in the blank
Cooking gas converts _______ energy into heat energy.
Match the following:
| Column A | Column B |
| (a) Needle | (1) class II lever |
| (b) Doorknob | (2) inclined plane |
| (c) Ramp | (3) Class I lever |
| (d) Lemon crusher | (4) Wheel and axle |
| (e) Seesaw | (5) wedge |
Tick the most appropriate answer.
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A certain household consumes 650 units of electricity in a month. How much is this electricity in joules?
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Can you tell?
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Observe the picture and put a tick (✓) if work is done and put a cross (x) if work is not done.
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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?
