Find the scalar and vector from the following speed, distance, current, time, velocity, pressure , work done, Momentum and acceleration
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Solution
Scalar quantites donot have sign and they have only magnitude.Also they dont obey parellelogram law of vecyor addition here they are speed,distance,current(although current sign it does not obey parellelogram law of vector addition hence scientists treat them scalar),time,pressure,work done(it is a dot priduct of two vectors hence it is scalar) The vector quantities have both sign and magnitude they must obey parellelogram law of vector addition. here velocity avcelearaion and mentum are vectors