define normal force in simple way.
is normal force is contact force yes then why.
give reason.
pls....give correct answer
Answers
Answer:
The normal force is a force of contact. When two surfaces are not in connection, a normal force can not be exerted on one another. For example, consider a table and a container, when they are not in contact not possible to exert normal force on one another. But, when two objects are touching one another, they exert normal force on one another vertical to the contacting surface. Here normal denotes to perpendicular.
The normal force is equal to the weight of the body during deceleration. When the body is about fall, depends on the location of the body on the ground. The normal force is represented by FN and measured in terms of N (Newtons)
An object during rest on the flat surface the normal force FN is
FN = mg
Where,
g = Gravitational Force
m = mass is m
A force acting on a falling object it drops at an angle of θ, then the FN is grater than the formulated weight,
FN = mg + F sin θ
Where,
the normal force is FN
the mass of the body is m
gravitational force is g
the angle with which body falls is θ
Where,
the normal force is FN
the mass of the body is m
gravitational force is g
the angle with which body moves up is θ
An object placed on an inclined plane then normal force FN is
FN = mg cos θ
Where,
the normal force is FN
the mass of the body is m
gravitational force is g
The angle of the inclined surface is θ
Example 1: A text-book of mass 1.7 kg is kept on the table. Calculate the normal force being applied on the book.
Solution:
Given:
m = 1.7 kg
w.k.t g (gravitational force) = 9.8 ms-2
The normal force is
FN = mg
FN = 1.7 × 9.8
FN = 16.66 N
Thus, the normal force being applied on the textbook is 16.66 N.
Stay tuned with BYJU’S for more such interesting articles. Also, register to “BYJU’S – The Learning App” for loads of interactive, engaging Physics-related videos and an unlimited academic assist.
Explanation:
Our body is made of millions of cell
bro pls mark me brilliant pls my all brilliant deleted by moderator all