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NDA & CDS 1 2024 Exam GK Live Physics Class 7

In the pursuit of excellence in exams like the NDA & CDS 1 2024, mastering the principles of physics is crucial. The GS Live Physics Class 7 served as a beacon for participants, providing a comprehensive exploration of Force and Laws of Motion. This article aims to illuminate the key insights from the class, focusing on essential concepts and significant questions related to Inertia, Momentum, Force, the Three Laws of Motion, Conservation of Linear Momentum, and Friction Force.

Grasping the Essence of Inertia:

The GS Live Physics Class 7 commenced with a spotlight on inertia – the inherent property of matter to resist changes in motion. Participants were guided through real-world examples to understand how objects tend to maintain their state of rest or uniform motion, forming the foundational understanding of inertia.

Deciphering Momentum and Force:

The class seamlessly transitioned into the exploration of momentum and force, two pivotal concepts in the realm of physics. Momentum, a property dependent on an object’s mass and velocity, was discussed in the context of understanding the effects of motion. Force, on the other hand, was unveiled as the agent responsible for changes in momentum.

Introduction to Newton’s Three Laws of Motion:

A pivotal segment of the class was dedicated to Newton’s Three Laws of Motion, serving as the cornerstone of classical mechanics. Participants were introduced to the first law – the law of inertia, which states that an object at rest tends to stay at rest, and an object in motion tends to stay in motion unless acted upon by an external force. The second law, emphasizing the relationship between force, mass, and acceleration, and the third law, stating that every action has an equal and opposite reaction, were also presented with real-world examples.

Conservation of Linear Momentum:

The class delved into the principle of the conservation of linear momentum, emphasizing that the total linear momentum of a closed system remains constant unless acted upon by external forces. Real-world scenarios, such as collisions and explosions, were used to illustrate the practical implications of this fundamental principle.

Understanding Friction Force:

Friction, a force that opposes the relative motion or tendency of such motion of two surfaces in contact, emerged as a key topic in the GS Live Physics Class 7. Participants explored the factors influencing friction force and how it affects the motion of objects. Practical examples, like the application of brakes in vehicles, added a tangible dimension to the discussion.


In conclusion, GS Live Physics Class 7 on force and laws of motion serves as an invaluable resource for NDA & CDS 1 2024 exam aspirants. By unraveling the intricacies of inertia, momentum, force, and Newton’s Three Laws of Motion, the class laid a robust foundation in classical mechanics. The addition of discussions on the conservation of linear momentum and friction force, along with a problem-solving approach, makes this live class a crucial asset for those aspiring to excel in competitive exams.

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