Evan's Space

Illustrations & Notes

​

Measurements & Mechanics

​

Measurements

- Physical Quantities, Prefixes and Units Summary

- Scalar and Vector Quantities: A lists of physical quantities which are grouped according to scalar or vector quantities.

- Prefixes: A lists of prefixes commonly used and basic conversion of units with

- Pendulum: Displacement-time vs KE-time graphs

- Magnitude of sizes of common objects ranging from a typical atom to diameter of the Earth

 

Kinematics​

- Displacement-time and Velocity-time Graph of ball thrown up / ball dropped

- Kinematics graphs of ball thrown up and come down

​- Interpreting distance-time graph and speed-time graph

- Velocity-time and Displacement-time Graph for a ball being thrown up

- Kinematics - Acceleration Summary

- Kinematics - Speed-time and Distance-time graph Summary

- Distance-time and Speed-time graph of 2 objects in motion - when does it overtake

- Understanding Free-Fall (acceleration due to gravity)

​​​​​​

Dynamics

- Forces and Speed-time graph of parachute jump

- Heavy and light shuttlecocks – which will reach the floor first when released?

- Gravity Flying Jet Suit

- 2015 PP1Q6 – Using Newton’s 3rd Law to find Forward Thrust

- Isn’t tyre with tread better in providing grip/traction/friction on the road in all weather? F1 tyre

- Action-Reaction: Newton’s 3rd Law Summary

- Direction of Frictional Force on Tyre or Wheel 2007PPp1q5, 2004PPp1q5, 2020PPp1q6, 2021PPp1q7

- Understanding Newton’s 1st and 2nd Laws of Motion

- Newton's Laws

​- Max Maeder won a bronze medal for kitefoiling – Paris Olympic 2024

- Basketball vs bowling ball – which will reach the floor first when dropped?​

- Man Jumps Vertically Upwards, Pressure On Ground Is Greater During The Jump

- During impact of a free falling ball, the force on ground is greater than the weight of ball

- Free-body Diagram

- Heavy and light shuttlecocks – which will reach the floor first when released?

- Two objects same size and shape but one is heavier. Motion when both released 2010 PP P1 Q4

- Vector Diagram – Parallelogram Method for 4 different kinds of questions

​​​​​​​​

Mass, Weight and Density

- Inertia Overview

​- Why ice floats on water?

- Will the whole lake be frozen during winter? At what temperature is water at its max density?

 

 

Turning Effects of a Force

​- Knowing the position of Centre of Gravity (CG)

​- Two conditions for a body to be in equilibrium

- Why wind surfer leans outward when the wind speed increases? – moments

- Will it topple? How to explain?

- The Standing Broom Challenge

​- Fishing and Moment

- Balancing Toys​

​

Pressure​

- Man Jumps Vertically Upwards, Pressure On Ground Is Greater During The Jump

- Lever (moment) System and Hydraulic System​

​- Liquid Pressure Summary Part 2 - Barometer and Manometer

​- Understanding Hydraulic System Overview

​- Women = Dangerous

- Hydraulic System - Comics

- How to mark 2 points (at a distance apart) at the same level? (water finds its own level)

​​​

Work Done, Energy and Power

- Fiery Re-entry into Earth’s Atmosphere (lost in GPE to thermal energy)

- Understanding Conservation of Energy

- Conservation of energy on the complete driver golf swing

- When is there work done?

​

​