NEET Physics Friction (Theory)

Introduction:

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Types of Friction:

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Graph Between Applied Force and Force of Friction:

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Friction is a Cause of Motion:

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Advantages and Disadvantages of Friction:

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Methods of Changing Friction:

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Angle of Friction:

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Resultant Force Exerted by Surface on Block:

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Angle of Repose:

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Calculation of Required Force in Different Situation:

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Acceleration of a Block Against Friction:

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Work done against friction:

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Motion of Two Bodies one Resting on the Other:

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Motion of an Insect in the Rough Bowl:

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

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Maximum Length of Hung Chain:

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Coefficient of Friction Between a Body and Wedge:

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Stopping of Block Due to Friction:

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Stopping of Two Blocks Due to Friction:

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Velocity at the Bottom of Rough Wedge:

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Sticking of a Block With Accelerated Cart:

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Sticking of a Person with the Wall of Rotor:

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Tips & Tricks


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