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Balancing Toys
There are two main types of balancing toys. Type 01: CG below the pivot point Type 02: CG above the pivot
Evan Toh
Oct 17, 20241 min read


Turning Effect of Forces – Basic Concepts
This video goes through the basic concepts that is required for moment questions. Go through the whole video to have know the different...
Evan Toh
Oct 17, 20241 min read


2015 PurePhy P1Q6 – Using Newton’s 3rd Law to find Forward Thrust
Refer to this MCQ from PurePhysics 2015P1Q6 Answer: Option C
Evan Toh
Oct 16, 20241 min read


Action-Reaction: Newton’s 3rd Law
Take note how to phrase the action-reaction pair, and also the differences and similarities of a action-reaction pair.
Evan Toh
Oct 16, 20241 min read


Direction of Frictional Force on Tyre or Wheel
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...
Evan Toh
Oct 16, 20241 min read


Understanding Newton’s 1st and 2nd Laws of Motion
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...
Evan Toh
Oct 16, 20241 min read


Finding focal length f of the lens using pin and mirror or sharp image from distance object
A thin convex lens is placed on a plane mirror and an object pin is then moved along the axis of the lens until an image is seen to...
Evan Toh
Oct 1, 20242 min read


Light and sound wave diagram in different mediums with different density
Light and sound are both waves. So both carry energy from one place to another. Light , which is part of the electromagnetic spectrum,...
Evan Toh
Oct 1, 20241 min read


Evan Toh
Sep 1, 20240 min read


Evan Toh
Sep 1, 20240 min read


Evan Toh
Sep 1, 20240 min read


Evan Toh
Sep 1, 20240 min read


Evan Toh
Sep 1, 20240 min read


Evan Toh
Sep 1, 20240 min read


Evan Toh
Sep 1, 20240 min read


Light Experiments – Glass Block and Pins
The video include 3 different light experiments which involve glass block and pins. Most students faced difficulties in locating the pins...
Evan Toh
Sep 1, 20241 min read


Evan Toh
Sep 1, 20240 min read


Evan Toh
Sep 1, 20240 min read


Evan Toh
Sep 1, 20240 min read


Evan Toh
Sep 1, 20240 min read
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