Force And Motion

Direction of Earth's gravity

Direction of earth’s gravity

Scientific definitions of ‘up’ and ‘down’ We live on the surface of the Earth and are always under the influence of its gravity. When we let go of an object, it falls “down,” and when we … more

Webcam Movement Analysis (on the table)

Webcam Movement Analysis (on the table)

Try pushing an imaginary ball placed on the table with your finger. If your PC doesn’t have a camera, it won’t work. When the web browser asks for access to the camera, please allow it. (Personal … more

Movement on the Pulley

Movement of an object suspended from a pulley

Movement on the pulley Two objects are connected by a string on a fixed, frictionless pulley and are moving together. In this case, the mass of the string and pulley is ignored. Since tension \(T\) and … more

Newton's Cradle

Newton’s Cradle

Newton’s cradle Newton’s cradle consists of five iron balls, each hanging on two threads to prevent the ball from spinning. Originally Newton’s cradle was created to demonstrate Newton’s third law. If you collide a ball from … more

Uniform motion

Graph of Constant Velocity Motion

The distance covered by an object moving at a constant speed increases proportionally with time. If the distance is plotted against time on a graph, it will result in a straight line with a slope that … more