Question

a) State parallelogram law of vectors. Derive an expression for the magnitude and

direction of the resultant vector.

b) When two right angled vectors of magnitudes 7 units and 24 units combine, what is

the magnitude of resultant?​

Answer 1

Answer:

a) The addition of two vector A and vector B is resultant vector R And R = A2 + B2+ 2AB CosΘ1/2And tan β = B SinΘ/ A + B CosΘ Where Θ is the angle between vector A and vector B And β is the angle which vector R makes with the direction of vector A. State triangle law of vectors addition.

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