Question

vector A is 2cm long and 60degree above x axis in first quadrant vector B is 2cm long and is 60degree below x axis in fourth quadrant. the sum A and B is a vector of magnitude. A)2cm along + y axis B)2cm along + x axis C)2cm along - x axis D)2cm along - y axis​

Answer 1

Answer:

2 cm along + x axis

Explanation:

the y components of vector A and B will cancel each other. and the other component will be in same direction on + x axis i.e 2 cos60= 1.

Answer 2

2 cm along + x axis

Explanation:

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