Evan TohDec 31, 20231 min readGravity Flying Jet SuitJet Suit Flight and Talk by Richard Browning Setting Records Real Ironman Another kind of jet suit by another company
Evan TohNov 30, 20231 min readDynamics and kinematics: Force-time graph, find frictional forceA 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...
Evan TohNov 30, 20231 min readResultant force-time graph link to speed-time graphAnswer: Option A Refer to the video tutorial below for explanation.
Evan TohNov 30, 20231 min read2004PPp1q4 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...
Evan TohNov 30, 20231 min readVector Diagram – Parallelogram Method for 4 different kinds of questionsFor Combined Science Physics Olevel, when constructing vector diagram, a method called Parallelogram Method is commonly used....