Most of us know that when the treads of our typical car tyres are worn out, we need to change as to provide grip, hence our car will not...

Take note how to phrase the action-reaction pair, and also the differences and similarities of a action-reaction pair.

For these type of questions, it is important to identify which tyre/wheel is connected/powered by the engine or the person. On each tyre...

1) Newton’s first law states that an object will remain at rest or in uniform motion (constant speed) in a straight line unless an...

Light and sound are both waves. So both carry energy from one place to another. Light , which is part of the electromagnetic spectrum,...

Refer to the notes below together with the video to learn more about the CRO Videos

When a ball is thrown up vertically from a height and the falls to the ground, the various kinematic graphs below shows the same motion...

Think of gradient as the steepness of a slope as you climb to the right (as time increases). 1) If it is getting steeper > increasing...

Scalar quantity is a quantity with magnitude but no direction. Vector quantity is a quantity with both magnitude and direction .

Transverse waves are waves in which travel perpendicular to the direction of vibration of particles.

First astronauts launched by SpaceX returned home safely on 3 Aug 2020.

When a system is in equilibrium , 2 conditions are met. 1) Principle of Moment (POM): Sum of anticlockwise moment = Sum of clockwise...