NEET Physics Force Revision Notes

Force Concept Notes for Full Course: Force

Access comprehensive revision notes for Force using the NEET Physics Force Revision Notes. Designed to align with the 2026-27 academic syllabus for Full Course Force, these concept summaries help students streamline their exam preparation and review complex topics efficiently.

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Access the complete concept summary PDF for Force below. Regular review of these targeted notes builds familiarity with complex Full Course Force themes and helps secure higher marks in final school evaluations.

Newton's Laws of Motion
 
First Law of Motion
 
An object continues to be in its state of rest or uniform motion, until and unless an external unbalanced force acts on it.
 
Second Law of Motion
 
Force acting on an object is directly proportional to the rate of change of Momentum with respect to time.
 
Third Law of Motion
 
For every action, there is an equal and opposite reaction. This reaction is limiting and acts in opposite direction as long as it is capable of withstanding the force.
 
Force
Force = Mass x Acceleration
 
Forces in Nature
 
Gravitational Force
 
Force of attraction between two bodies having mass.
 
Electromagnetic Force
 
Forces involved in electric and magnetic fields.
 
Strong Nuclear Force:
 
A nucleus contains protons and neutrons. Protons being positively charged exert repulsive force on each other. But, this force is not enough to break the nucleus. This is because there exists a strong
interaction inside the nucleus. This is called as strong nuclear force.
 
Law of Conservation of Momentum
 
The law of conservation of momentum states that the total momentum of a system of objects is always conserved.
Impulse is the amount of force acting on a body in given time. Impulse and Momentum have the same dimensions.
                  Impulse=J=F.t
 
Frame of Reference
A Frame of reference is a fixed co-ordinate system, with respect to which the position and motion of an object is determined.
 
Inertial
Inertial frame of reference is a frame of reference in which Newton's First Law of Motion holds good.
i.e. it is an unaccelerated frame of reference.
 
Non-Inertial
Non-Inertial Frame of reference is a frame of reference in which Newton's First Law of Motion does not hold good. i.e. It is an accelerated frame of reference. Since it is an accelerated frame of reference, even if no force is acting on the object, the object will be set in motion . e.g. A person sitting in train.
 
Conservative and Non Conservative Force
The Forces that conserve Total Energy, Kinetic Energy and Momentum are called as Conservative Forces.
The Forces that conserve Total Energy and Momentum but not Kinetic Energy are called Non Conservative Forces.
 
Moment of Force
Moment of Force = Force x Moment arm
Moment Arm is the distance through which the Force is acting.
 
Couple & Torque
Torque = Force x Distance between the two forces.
 
Centre of Mass
The fixed point of an object at which the entire mass of the object is supposed to be concentrated is called Centre of Mass.
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Centre of Gravity
The fixed point through which the entire weight of the object is supposed to act in the downward direction is called as Centre of Gravity.
 
Conditions of Equilibrium of Forces
The resultant force should be 0; i.e. it should not produce acceleration. Thus, the vector sum of all forces acting on the body should be 0.
 
If the Forces in Equilibrium prevent rectilinear motion, it is called as translational equilibrium. If the forces in equilibrium prevent rotational motion, it is called rotational equilibrium.
 
Important for solving Problems:
Apparent weight of a man inside a lift:
 
(a) The lift possesses zero acceleration:                             W = mg
(b) The lift moving upward with an acceleration a:              W = mg + ma
(c) The lift moving downward with an acceleration a:           W = mg – ma
 
Connected motion (Pulley problem):
NEET-Physics-Force-Revision-Notes 2
NEET-Physics-Force-Revision-Notes 3
 

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Where can I download the latest PDF for NEET Physics Force Revision Notes?

You can download the teacher prepared revision notes for NEET Physics Force Revision Notes from StudiesToday.com. These notes are designed as per 2026-27 academic session to help Full Course students get the best study material for Force.

Are these Force notes for Full Course based on the 2026 board exam pattern?

Yes, our NEET Physics Force Revision Notes include 50% competency-based questions with focus on core logic, keyword definitions, and the practical application of Force principles which is important for getting more marks in 2026 NEET exams.

Do these Full Course notes cover all topic-wise concepts for Force?

Yes, our NEET Physics Force Revision Notes provide a detailed, topic wise breakdown of the chapter. Fundamental definitions, complex numerical formulas and all topics of NEET syllabus in Full Course is covered.

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