Question

A line of action is a line __________ the force vector.

a) Concurrent with
b) Opposite
c) Parallel to
d) Perpendicular to

Answer 1

A line of action is Parallel to the force vector and is at a 90-degree angle to the direction of the force.

Step-by-step explanation:

The term "line of action" refers to an imaginary line along which a force is considered to act. This line is an extension of the force vector. The force vector represents the magnitude and direction of the force.

When we talk about a line of action being "parallel to the force vector," we mean that the imaginary line we draw to represent the force is in the same direction as the force vector. So, if the force vector points in a specific direction, the line of action is also in that same direction, making them parallel.

If the force vector points upward, the line of action is also considered upward and parallel to the force vector. Similarly, if the force vector points to the right, the line of action is also to the right and parallel.