Final answer:
Work activities are categorized into General Work and Hot Work, with work defined as the transfer of energy when a force moves an object. Examples of work involve various everyday tasks like lifting objects and applying force.
Explanation:
Work activities are classified into General Work and Hot Work. General Work entails various types of tasks, while Hot Work involves activities that generate heat or involve fire, like welding or smelting.
In physics, work is defined as the energy transferred when a force acts on an object and causes it to move a certain distance. It is calculated as the product of force and displacement in the direction of the force.
Examples of Work include lifting an object against gravity, pushing a car, or heating a substance to bring about a chemical change.
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