By Team Aakash Byju's | 12th December 2022
Positive
Negative
Zero
Depends on the strength of the forces
A.
B.
C.
D.
To explain this, we shall recall Newton’s First Law of Motion - a body at rest or uniform motion will continue in the same state until and unless a net external force acts on it.
If an object is at rest, it has zero net force. Its weight and normal reaction acting upon it are in opposite directions.
F = 0
Net
An object sliding on a frictionless surface is an example of uniform motion. Since the surface is frictionless, there is no frictional force acting upon the object.
Here also the weight and normal are balanced with each other. As a result, the object continues to move uniformly.
Thus, in both cases, the individual forces acting upon objects get to cancel out each other. This results in zero net force.