Identify the property of the iron block that makes it more difficult to lift than the cork block.

The density, mass, and weight of the iron block make it difficult to lift than a cork block.

Explanation:

The mass and weight of an object determine its heaviness. Mass refers to the matter contained in it and weight refers to the gravitational pull on the object. Iron has a larger mass and hence the gravitational pull is more. The mass of a body depends upon its density.

Iron is denser than a cork which is lighter. Hence, lifting a cork block is easier than lifting an iron block.

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