1.

What is the potential energy? state its unit.

Answer»

Potential energy is the energy stored in the body, it is static when a body is in rest position, when u move it u can experience it's potential energy, for example leaving an object from top of a building. The body builds up the force as the distance increase.

PE = mgh  

units = kg×m/s2×m  

= Nm   

= J(joule)



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