Q. If d is the perpendicular distance from pivot(in m) and F is the force (in N) , then Moment of a force is calculated by

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Q. The product of the force and the perpendicular distance from the pivot to the line of action of the force is called

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Q. If an object's center of gravity neither rises nor falls and stays at the same height, when it is slightly displaced, it is in the state of

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Q. If an object returns to its original position when it is slightly displaced, it is in the state of

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Q. If an object topples when it is slightly displaced, it is in the state of

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Q. To increase the stability of an object, the area of its base should be

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Q. Bunsen burners are designed with

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Q. The ability of an object to return to its original position after it has been tilted slightly is known as

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Q. To increase the stability of an object, the center of gravity should be

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Q. It has a low center of gravity and a broad base

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Q. We can write 2 mega joules in standard form as

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Q. We can write 1 kilometer in standard form as

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Q. The total basic physical quantities are

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Q. The words or letters added before a unit and stand for the multiples or sub-multiples of that unit are called

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Q. Length, mass, electric current, time, intensity of light and the amount of substance are the examples of

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Q. Kilo, mega, giga, milli are the example of

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Q. The distance between air molecules is

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Q. We can write 9 nanoseconds in standard form as

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Q. We can write 1 milliampere in standard form as

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Q. The prefixes are useful to express

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