Question

What kind of energy is possessed by a body in the following cases? 

(a) A cocked-up spring and an air gun. 

(b) A shooting arrow. 

(c) A stone lying on the top of a housi. 

(d) Water stored in the dam. 

(e) An electron spining around the nucleus. 

(f) A fish moving in water.

Answer 1

(a) Potential energy, (stretched spring) 

(b) Kinetic energy as arrow is in motion 

(c) A stone lying on the top of a house has potential energy due to its position above the ground level. 

(d) Water stored in dam has potential energy.

(e) An electron spining around the nucleus has kinetic energy. 

(f) A fish moving in water has kinetic energy.