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Core - Mechanical Engineering

    Chapter 8

    Friction

    8.1 : Dry Friction01:30

    8.1 : Dry Friction

    Dry friction occurs between two solid surfaces in contact as they attempt to move relative to one another. In daily life, dry friction is encountered in ...

    354 views
    8.2 : Static Friction01:18

    8.2 : Static Friction

    Static friction is a force that opposes the relative motion or tendency of motion between two surfaces in contact. It plays a crucial role in our daily ...

    727 views
    8.3 : Kinetic Friction01:26

    8.3 : Kinetic Friction

    Consider a truck trying to pull a stationary car. As the truck exerts a force on the car, static friction is created at the point of contact between the ...

    905 views
    8.4 : Characteristics of Dry Friction01:21

    8.4 : Characteristics of Dry Friction

    Dry friction occurs when two solid surfaces slide against each other without any lubrication or fluid present. It causes resistance when pushing objects ...

    509 views
    8.5 : Types of Friction Problems01:27

    8.5 : Types of Friction Problems

    Friction is an essential concept in physics, engineering, and everyday life. It is the force that opposes the relative motion or tendency of such motion ...

    513 views
    8.6 : Friction: Problem Solving01:21

    8.6 : Friction: Problem Solving

    Friction is an essential force that influences the motion of objects in daily life. Depending on the situation, it can be either beneficial or ...

    205 views
    8.7 : Wedges01:24

    8.7 : Wedges

    A wedge is a simple machine that serves various purposes, such as adjusting the elevation of structural or mechanical parts, providing stability for heavy ...

    1.1K views
    8.8 : Frictional Forces on Screws01:17

    8.8 : Frictional Forces on Screws

    Screws are characterized by a helical ridge known as a thread wrapped around a cylindrical shaft. They are commonly used as fasteners to hold objects ...

    1.1K views
    8.9 : Upward Impending Motion01:21

    8.9 : Upward Impending Motion

    A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. Its operation is based on ...

    279 views
    8.10 : Self-Locking Screw01:16

    8.10 : Self-Locking Screw

    A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. One of the key features that can ...

    1.5K views
    8.11 : Screw: Problem Solving01:21

    8.11 : Screw: Problem Solving

    In mechanical engineering, the interaction between a threaded screw shaft and a plate gear involves analyzing the resisting torque on the plate gear that ...

    398 views
    8.12 : Frictional Forces on Flat Belts01:28

    8.12 : Frictional Forces on Flat Belts

    Flat belts are commonly used in various industrial applications for transmitting power from one pulley to another. When a flat belt is wrapped around a ...

    873 views
    8.13 : Flat Belts: Problem Solving01:28

    8.13 : Flat Belts: Problem Solving

    Flat belts are crucial in many industrial applications as they help transmit power from one pulley to another. The concept of forces and moments is used ...

    334 views
    8.14 : Pivot Bearings01:23

    8.14 : Pivot Bearings

    In mechanical systems, bearings are crucial in facilitating relative motion between two components while minimizing friction and wear. They help ...

    1.2K views
    8.15 : Collar Bearings01:23

    8.15 : Collar Bearings

    Collar bearings are essential in various machines designed to support axial loads on rotating shafts. Depending on the specific application and ...

    1.2K views
    8.16 : Journal Bearings01:23

    8.16 : Journal Bearings

    Journal bearings are mechanical components that support and provide lateral stability to rotating shafts and axles. They are crucial in reducing friction, ...

    640 views
    8.17 : Bearings: Problem Solving01:24

    8.17 : Bearings: Problem Solving

    Understanding the calculations and concepts related to double-collar bearings is essential for engineers and designers to optimize the performance of ...

    272 views
    8.18 : Rolling Resistance01:21

    8.18 : Rolling Resistance

    When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the ...

    275 views
    8.19 : Rolling Resistance: Problem Solving01:17

    8.19 : Rolling Resistance: Problem Solving

    Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it ...

    300 views
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