Machines

physics Secondary

MACHINES

Machines make our work simpler. It is a force producing device by which a large force called load can be overcome by a small applied force called effort Terminologies Used In Machines FORCE RATIO (MECHANICAL ADVANTAGE ) VELOCITY RATIO EFFICIENCY MECHANICAL ADVANTAGE We define effort as the force applied to a machine and load as […]

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Physics

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

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