The aluminum horseshoe bend but does not break due to the property of malleability when a blacksmith pounds it into shape with a hammer.
Malleability can be described as a property that makes a metal be changed into thin sheets when being hammered or rolled out without breaking.
This property is held by some metals that can be converted into thin sheets. It includes giving physical forces to metal to make changes in its outside shape. Some metals such as Gold, Silver, Lead, Iron, Aluminum, and Copper, are malleable.
When aluminum metal is being hammered, then at the molecular level, the Al atoms are flexible enough and slide upon each other to obtain a new shape. The bonds between aluminum atoms do not break when hammered.
Therefore, the aluminum horseshoe bend but does not break when a blacksmith hammers it into shape as the aluminum metal is malleable.
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C. battery, lightbulb, battery, lightbulb
D. wire,battery,wire,battery
A pure substance is a substance which cannot be separated physically or chemically. It is the same wherever found on earth. For example, pure gold is a pure substance. It will be the same whether it is found where you live or on another country. A mixture can be either homogeneous or heterogeneous. A homogeneous mixture is a mixture that looks the same throughout but is made of more than one element. An example of this would be salt and water mixture. A heterogeneous mixture is a mixture in which you can easily identify the different parts which make it up. An example of this would be pizza. Both these mixtures can be broken into different parts either physically or chemically.
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The gravitational potential energy not only depends on the mass of the substance but also on the height it positioned. Hence, two objects with same mass does not have same potential energy if they are not in same height.
Gravitational potential energy of an object is the energy generated by virtue of its position in gravitational field. Gravitational force is exerted by one object by which it attracts other objects into its centre of mass.
The gravitational force is dependant upon the mass of the object as well to the distance between the objects. Similarly the potential energy p is proportional to the mass m, gravity g and the height from the surface h.
Hence p = mgh.
As per this relation potential energy is not only affected by the mass but also the height at which the objects are located.
If an object is placed at a height higher than other object having same mass then it stores greater potential energy. Hence, we can't agree with the statement .
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