top of page
.png)
Evan Toh
Nov 30 min read
3 views0 comments
Evan Toh
Oct 241 min read
Different Converging Lens Ray Diagram questions
Drawing ray diagrams for converging lens come in many forms. But the basic concepts needed are the 3 rays (which have rules to follow) to...
11 views0 comments
Evan Toh
Oct 231 min read
Displacement-time and Velocity-time Graph of Ball Thrown Up / Ball Dropped
1) When a ball is thrown up and it comes down When the ball leaves the hand, there is no upward force acting on the ball. The only force...
12 views0 comments
Evan Toh
Oct 160 min read
5 views0 comments
Evan Toh
Oct 161 min read
Balancing Toys
There are two main types of balancing toys. Type 01: CG below the pivot point Type 02: CG above the pivot
5 views0 comments
Evan Toh
Oct 161 min read
2015 PurePhy P1Q6 – Using Newton’s 3rd Law to find Forward Thrust
Refer to this MCQ from PurePhysics 2015P1Q6 Answer: Option C
13 views0 comments
Evan Toh
Oct 161 min read
Isn’t tyre with tread better in providing grip/traction/friction on the road in all weather?
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...
3 views0 comments
Evan Toh
Oct 161 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.
9 views0 comments
Evan Toh
Oct 161 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...
12 views0 comments
Evan Toh
Oct 161 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...
12 views0 comments
Evan Toh
Sep 301 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,...
13 views0 comments
bottom of page