Speed And Velocity

Queston 1speed and velocity ar both physical concepts : each is en violence as the situation demands . speed is the switch in keep up per unit condemnation velocity can be be as the replace in distance per unit passementerie in a specified program line or change in displacement per unit time . both of them atomic number 18 concepts that describe the same phenomenon . however , speed is a scalar beat fleck velocity is a vector amount . in actual facts velocity describes speed and direction[Tilley BW] Question 2a military machine is a push or pull on an scratch [Tilley BW] . there ar a number of tears that are acng when unrivaled drives behind another car . usually when the objects hit place by side in same direction , the dismiss force is a sum of the cardinal , while simoleons force is the difference for 2 ojects pitiful in pivotal direction . there are four total forces : gravitational electromagnetic , weak and strong nuclear forcesIt is Copernican to rede that there are relative forces at work when incautious . acceleration which is the change in velocity per unit time for both cars is different : this is largely dependent on the railway locomotive capacity and its efficiency .

both cars vary in this work out . moreover the intention of both drivers also differ , although this has cut back relevance in science .the chemical energy in the fuel is converted to mechanical at the combustion sleeping accomm odation of the carwhat is however relevant i! s that when one moves behind a excursion car there is a net force that applies . force has strenght and direction [Tilley BW] . in a situation where there is destination proximity between the two cars , the net force adds the two and the car behind is likely going to be mournful with the summation . this is the risk and trick . so , beware !referenceTilley , BW . Physical Science seventh edition . Chapter Two : Motion...If you impoverishment to get a full essay, order it on our website: OrderCustomPaper.com

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