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HIGH SCHOOL

Engineering

Concept Videos

Mechanical Engineering

Friction

Dry Friction
01:30
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 ...

Video Duration: 1 minute and 30 seconds
Static Friction
01:18
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 ...

Video Duration: 1 minute and 18 seconds
Kinetic Friction
01:26
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 ...

Video Duration: 1 minute and 26 seconds
Characteristics of Dry Friction
01:21
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 ...

Video Duration: 1 minute and 21 seconds
Types of Friction Problems
01:27
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 ...

Video Duration: 1 minute and 27 seconds
Friction: Problem Solving
01:16
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 ...

Video Duration: 1 minute and 16 seconds
Wedges
01:24
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 ...

Video Duration: 1 minute and 24 seconds
Frictional Forces on Screws
01:17
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 ...

Video Duration: 1 minute and 17 seconds
Upward Impending Motion
01:21
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 ...

Video Duration: 1 minute and 21 seconds
Self-Locking Screw
01:16
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 ...

Video Duration: 1 minute and 16 seconds
Screw: Problem Solving
01:21
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 ...

Video Duration: 1 minute and 21 seconds
Frictional Forces on Flat Belts
01:28
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 ...

Video Duration: 1 minute and 28 seconds
Flat Belts: Problem Solving
01:28
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 ...

Video Duration: 1 minute and 28 seconds
Pivot Bearings
01:23
Pivot Bearings

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

Video Duration: 1 minute and 23 seconds
Collar Bearings
01:23
Collar Bearings

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

Video Duration: 1 minute and 23 seconds
Journal Bearings
01:23
Journal Bearings

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

Video Duration: 1 minute and 23 seconds
Bearings: Problem Solving
01:24
Bearings: Problem Solving

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

Video Duration: 1 minute and 24 seconds
Rolling Resistance
01:21
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 ...

Video Duration: 1 minute and 21 seconds
Rolling Resistance: Problem Solving
01:17
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 ...

Video Duration: 1 minute and 17 seconds