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# Two solid pieces, one of steel and the other of aluminium when immersed completely in water have equal weights. When the solid pieces are weighed in airA. the weight of aluminium is half the weight of steelB. steel piece will weigh moreC. they have the same weightD. aluminium piece will weigh more

Last updated date: 20th Jul 2024
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Answer
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Hint: Gravity, or gravitation, is a natural process in which all objects of mass or energy gravitate toward one another, including planets, stars, galaxies, and even light.Force grants physical structures weight on Earth, and the Moon's gravity induces ocean tides.

Complete answer:
Gravitational attraction induced the initial gaseous matter in the Universe to coalesce and form stars, and the stars to join together into galaxies, so gravity is responsible for all of the Universe's large-scale systems. While gravity has an endless range, its effects weaken as objects get farther out.

The force of gravity is the force that draws another object against the planet, moon, or other incredibly large object. This is, by extension, the object's weight. All objects on Earth are subject to a gravitational force that is oriented "downward" towards the earth's centre.

The weight of an object is always proportional to the force of gravity on Earth, as determined by the equation: metals are affected by gravity in the air. As a result, they have their true weight. Steel's atomic weight. i.e., iron has an atomic number of 56 and aluminium has an atomic number of 27.As a result, it is possible to say that the weight of aluminium is half that of steel.

Since aluminium is around one-third the weight of steel, components of cars and other applications can be made thicker and heavier while also minimising weight. Aluminum can be forged to be almost as solid as, if not stronger than, steel depending on the alloy and manufacturing method used.

Hence, the correct answer is option B.

Note: Steel is harder than aluminium, even though rust is a threat. Steel is a solid material that is less likely to warp, deform, or bend when subjected to weight, force, or heat. Nonetheless, steel's resilience comes at the cost of being much stronger and denser than aluminium. Steel has a density of 2.5 times that of aluminium.