Question

When several forces act at a point and their vector sum is zero, the forces are said to be

• A. Balanced
• B. Unbalanced
• C. Non-concurrent
• D. Concurrent

Hint:

Balanced Forces. Forces acting on an object are balanced if their vector sum (the net force) is zero. This results in no change in the object's state of motion (equilibrium).

Answer 1

The Correct Option is A

Newton's first law states that an object will remain at rest or in uniform motion in a straight line unless acted upon by a net external force.
When several forces act on an object (or point), the net force is their vector sum.
If this vector sum is zero (\(\sum \vec{F} = 0\)), it means there is no net force acting on the object.
In this condition, the object is in equilibrium (either at rest or moving with constant velocity), and the forces are said to be balanced.
Unbalanced forces result in a non-zero net force and cause acceleration.
Concurrent forces are forces whose lines of action intersect at a single point (which is stated in the question).
Non-concurrent forces do not act through a single point.
The key condition for the forces being 'balanced' is that their vector sum is zero.