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Evan Toh
Dec 31, 20231 min read
Gravity Flying Jet Suit
Jet Suit Flight and Talk by Richard Browning Setting Records Real Ironman Another kind of jet suit by another company
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Evan Toh
Nov 30, 20231 min read
Dynamics and kinematics: Force-time graph, find frictional force
A 10 kg box is initially at rest on a rough horizontal surface and a horizontal force is then applied to it. The force varies as shown in...
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Evan Toh
Nov 30, 20231 min read
Resultant force-time graph link to speed-time graph
Answer: Option A Refer to the video tutorial below for explanation.
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Evan Toh
Nov 30, 20231 min read
2004PPp1q4 2010SPp1q4 Dynamics (3rd law)
Answer: Option D Key concept here is Newton’s 3rd Law. Action equals reaction. Both trolleys are connected by the spring, hence the...
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Evan Toh
Nov 30, 20231 min read
Vector Diagram – Parallelogram Method for 4 different kinds of questions
For Combined Science Physics Olevel, when constructing vector diagram, a method called Parallelogram Method is commonly used....
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