Question

The vector projection of a vector 3\[\hat i\] + 4\[\hat k\] on Y-axis is ______.

Options

• five

• four

• three

• zero

Answer 1

zero

Explanation:

The vector 3\[\hat i\] + 4\[\hat k\] has components only along the X-axis (3) and Z-axis (4), there is no \[\hat j\]​ component, so its projection on the Y-axis is zero.