ENERGY, WORK, POWER AND MACHINES
ENERGY, WORK, POWER AND MACHINES.
Energy
This is the ability to do work.
Forms of energy.
Chemical energy: – this is found in foods, oils charcoal firewood etc.
Mechanical energy:- there are two types;
Potential energy – a body possesses potential energy due to its relative position or state
Kinetic energy – energy possessed by a body due to its motion i.e. wind, water
iii. Wave energy – wave energy may be produced by vibrating objects or particles i.e. light, sound or tidal waves.