Maximum number of rectangular components are_____________?
Correct answer: C. 3
- A. 1
- B. 2
- C. 3
- D. 4
Explanation
In three-dimensional Cartesian space, a vector may have three mutually perpendicular rectangular components along the x-, y- and z-axes. These components are Ax, Ay and Az. Option b applies only to a two-dimensional plane and omits the possible z-component.
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About Rectangular Components
A vector is resolved into perpendicular horizontal and vertical components using trigonometric relations, usually as Ax = A cos θ and Ay = A sin θ when θ is measured from the horizontal. Questions involve signs in different quadrants, reconstructing a resultant from components, and using components to analyse equilibrium.
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