Question

A fish swimming in water possess mechanical energy.

• A. True
• B. False

Answer 1

The correct option is A True

Yes, fish possess mechanical energy. It uses this energy to swim in the water. When the fish moves, no work is being done on the fish by any external system but the definition of mechanical energy states that mechanical energy is the energy stored in moving objects. The energy needed to move is taken from food that is the chemical energy of the food. It is converted to a suitable form which is stored in the fish body which it utilizes to move.