Physics
What is a normal reaction force? Draw a neat labelled diagram showing a normal reaction force acting on a body.
Laws of Motion
138 Likes
Answer
When a body is placed on a surface, the body exerts a force downwards, equal to its weight, on the surface, but the body does not move (or fall) because the surface exerts an equal and opposite force on the body normal to the surface which is called normal reaction force.

Answered By
101 Likes
Related Questions
State the effects of a force applied on (i) a non-rigid, and (ii) a rigid body. How does the effect of the force differ in the two cases?
What is a frictional force? Draw a neat labelled diagram showing a frictional force acting on a body.
A ball is hanging by a string from the ceiling of the roof. Draw a neat labelled diagram showing the forces acting on the ball and the string.
A spring is compressed against a rigid wall. Draw a neat labelled diagram showing the forces acting on the spring.