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Evan Toh
Dec 90 min read
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Evan Toh
Nov 141 min read
FRHR Dab
Fleming's Right-Hand Rule is another useful rule for understanding electromagnetic induction. This rule helps us determine the direction...
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Evan Toh
Nov 141 min read
FLHR Dab
Flemeng's Left Hand Rule, using your left hand, with the thumb, 1st finger and 2nd finger all 90 degrees to one another. This is covered...
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Evan Toh
Nov 30 min read
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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...
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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...
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Evan Toh
Oct 160 min read
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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
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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
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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...
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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.
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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...
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