Question

The net force of the body is zero that means the force is not being applied to the body at all.
 Hence the body is in equilibrium.
A) The first part of the statement is false and other part is true
B) The first part of the statement is false and other part is false too
C) The first part of the statement is true and other part is false
D)The first part of the statement is true and other part is true too

Answer 1

Hint : When the net force of the body is equal to zero, it means that the body cannot be accelerated. Here, we will be taking the reference of Newton's second law which states that, the acceleration of an object is parallel and proportional to the net force acting on the object, is in the direction of the net force, and inversely proportional to the mass of the object.

Complete step by step solution:
If initially the body is at rest and the net force on it is zero, then the body will be at rest after applying force. If the body is in uniform motion and the net external force on the body is zero then the body will continue its state of equal motion.
The net force of the body is zero which does not mean that the body is not exerting force at all and hence the body is in equilibrium. Balance is achieved only when the net force on the body is equal to zero, thus canceling forces. If this happens, there is no movement of the body along any direction and hence the body is said to be in balance.

Thus, option C is correct

Additional Information: Net force on Body is zero comes from Newton's second law of motion.
When \[F = 0\], \[m \times a\] must also be zero after \[F = m \times a\]. Where \[F\]is force, \[m\]is mass and \[a\]is acceleration.
But the mass cannot be zero, so the acceleration must be zero.
Acceleration is what changes your speed. When there is no acceleration, the body continues to move with the speed that preceded it. This speed can be of any value including zero.
At zero speed, the body remains at rest. Therefore, it is not necessary that the object should be at rest.


Note: If the net force acting on a body is zero, that does not mean the body will be necessarily at rest.
 A state of pure force equal to zero is in reality impossible.
 When the net force of the body is equal to zero, it means that the body cannot be accelerated.