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Vector shown in the figure below have a length of 3m and the angles shown A and B are 60 and 30 degrees each. Calculate the X-axis and Y-axis components:

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in Engineering Mechanics by (701k points)
Vector shown in the figure below have a length of 3m and the angles shown A and B are 60 and 30 degrees each. Calculate the X-axis and Y-axis components:

(a) 2.59m and 1.50m respectively

(b) 1.50m and 2.59m respectively

(c) 3cos60 and 3sin30 respectively

(d) 3sin60 and 3sin30 respectively

The question was asked in an online quiz.

This intriguing question originated from Addition of a System of Coplanar Forces in section Force Vectors of Engineering Mechanics

1 Answer

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Right choice is (a) 2.59m and 1.50m respectively

Easy explanation: The sine and the cosine components of the given vectors considering the angle B as the only angle of consideration comes 1.5m and 2.59m.

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