NEET Physics Friction (Theory)

Introduction:

Types of Friction:

Graph Between Applied Force and Force of Friction:

Friction is a Cause of Motion:

 

Advantages and Disadvantages of Friction:

Methods of Changing Friction:

Angle of Friction:

Resultant Force Exerted by Surface on Block:

Angle of Repose:

Calculation of Required Force in Different Situation:

Acceleration of a Block Against Friction:

Work done against friction:

Motion of Two Bodies one Resting on the Other:

Motion of an Insect in the Rough Bowl:

Minimum Mass Hung from the String to Just Start the Motion:

Maximum Length of Hung Chain:

Coefficient of Friction Between a Body and Wedge:

Stopping of Block Due to Friction:

Stopping of Two Blocks Due to Friction:

Velocity at the Bottom of Rough Wedge:

Sticking of a Block With Accelerated Cart:

Sticking of a Person with the Wall of Rotor:

---

Tips & Tricks

---