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a) What force is needed to give amass of 20kg an acceleration of 30m/s2?
b) Find the accelerating force when a car having a mass of 1.7Mg enhances its speed with a constant acceleration of 3m/s2
c) A force of 40N accelerates a mass at 5m/s2.Verify the mass. [8kg]
d) Determine the force acting downwards on a mass of 1500g suspended on a string. [14.72N]
e) A force of 4Nmoves an object 200cmin the direction of the force. What amount of work is done?
FORCE AND NEWTON'S LAWS 1. Ancient view objects tend to stop if they are in motion; force is needed to keep something motion. This was a natural thing to believe in beca
A motor has an output of 4.8kW, an efficiency of 80% and a power factor of 0.625 lagging when operated from a 240V, 50Hz supply. It is needed to improve the power factor to 0.9
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Fermat's principle; principle of least time (P. de Fermat): The principle put by P. de Fermat, which states the path taken through a ray of light among any two points into a s
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average or mean value of AC
what is azimuth angle?
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