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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...
Evan Toh
Oct 23, 20241 min read
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Evan Toh
Oct 18, 20240 min read
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Evan Toh
Oct 18, 20240 min read
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Evan Toh
Oct 18, 20240 min read
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Evan Toh
Oct 17, 20240 min read
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Evan Toh
Oct 17, 20240 min read
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Evan Toh
Oct 17, 20240 min read
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Evan Toh
Oct 17, 20240 min read
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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
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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
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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...
Evan Toh
Oct 16, 20241 min read
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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
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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
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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
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Evan Toh
Oct 16, 20240 min read
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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
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Evan Toh
Sep 1, 20240 min read
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Evan Toh
Aug 10, 20240 min read
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Understanding cathode-ray oscilloscope CRO
Refer to the notes below together with the video to learn more about the CRO Videos
Evan Toh
Jan 2, 20241 min read
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Kinematics graphs of ball thrown up and come down
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...
Evan Toh
Jan 1, 20241 min read
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