Learn
Games
1. Force

Force is a crucial concept in physics, defined as a push or pull that can alter the state of motion or shape of an object. It can result in acceleration, deceleration, or change of direction. The chapter covers various types of forces, the principle of moments, equilibrium, and mechanical advantages of machines, providing essential knowledge for understanding physical interactions and simple machines.

Sections

  • 1

    Force

    Force is a fundamental concept that refers to a push or pull on an object, influencing its motion and shape.

    Learning Practice

  • 1.1

    Introduction

    The introduction to the chapter on Force defines force as a push or pull that can alter the motion and shape of an object.

    Learning Practice

  • 1.2

    Definition And Effects Of Force

    This section covers the definition of force and its various effects on objects.

    Learning Practice

  • 1.3

    Types Of Forces

    This section outlines the two main categories of forces in physics: contact forces and non-contact forces.

    Learning Practice

  • 1.4

    Resultant Force And Equilibrium

    The section explains resultant force as a single force from multiple forces acting on an object, leading to the concept of equilibrium where total force is zero.

    Learning Practice

  • 1.5

    Turning Effect Of Force (Moment Of Force)

    This section introduces the concept of the moment of force, highlighting its definition, formula, and significance in physics.

    Learning Practice

  • 1.6

    Principle Of Moments

    The Principle of Moments states that for a body in equilibrium, the sum of clockwise moments is equal to the sum of anticlockwise moments.

    Learning Practice

  • 1.7

    Centre Of Gravity (C.g.)

    The Centre of Gravity (C.G.) is a key point in physics where the entire weight of an object seems to be concentrated, affecting its stability.

    Learning Practice

  • 1.8

    Uniform And Non-Uniform Beams

    This section covers the characteristics of uniform and non-uniform beams, focusing on their center of gravity and conditions for equilibrium.

    Learning Practice

  • 1.9

    Levers

    Levers are simple machines consisting of a rigid bar pivoting around a fixed point, providing mechanical advantage in lifting loads.

    Learning Practice

  • 1.10

    Mechanical Advantage (M.a.), Velocity Ratio (V.r.), Efficiency

    This section explains the key concepts of Mechanical Advantage (M.A.), Velocity Ratio (V.R.), and Efficiency in simple machines, outlining their definitions, formulas, and significance in force applications.

    Learning Practice

  • 1.11

    Pulley Systems (Simple Machines)

    This section discusses pulley systems as simple machines, including their types, mechanical advantages, and efficiencies.

    Learning Practice

  • 1.12

    Laws Of Motion (Preview For Next Chapters)

    This section introduces Newton's three laws of motion, setting the foundation for understanding dynamics in future chapters.

    Learning Practice

  • 1.13

    Summary

    This section summarizes the key concepts of force, moment, equilibrium, centre of gravity, levers, and pulleys, emphasizing their applications in real life.

    Learning Practice

References

p10-1.pdf

Class Notes

Memorization

What we have learnt

  • A force can change the spee...
  • Resultant force is the sing...
  • The principle of moments st...

Final Test

Revision Tests

Chapter FAQs