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Which of the following processes show no work done?

a refrigerator used to freeze water

a tire being inflated with an air pump

water getting boiled in a pressure cooker

an automobile engine operating for several minutes

2 Answers

1 vote

Answer:

Water getting boiled in a pressure cooker

An automobile engine operating for several minutes

Step-by-step explanation:

In a refrigerator the compressor does some work for water to get freezed it compresses gas.

Like the compressor in the refrigerator is the pump that inflates tire it does work by compressing air.

Meanwhile both pressure cook and a streaming car engine does no work since they remain stationary

The measure of energy expended in moving an object, No work is done if the object does not move.

Work is done when a force that is applied to an object moves that object. The work is calculated by multiplying the force by the amount of movement of an object

(W = F * d).

User Ashu
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The appropriate response is the third one. As the weight rises, the temperature of the water and steam inside the fixed pot likewise transcends the typical 100ÂșC breaking point temperature. Cooking temperatures at various weights: the higher the weight, the shorter the cooking time.
User Richard Marr
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