[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-207856-en":3,"doc-seo-207856-105":30,"detail-sidebar-cat-0-en-105":90},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":4,"category_id":11,"category_name":12,"doc_title":13,"doc_description":14,"doc_content":15,"file_id":16,"file_url":17,"file_type":18,"file_size":19,"view_count":20,"is_deleted":4,"is_public":20,"is_downloadable":20,"audit_status":20,"page_count":21,"language":22,"language_code":23,"site_id":24,"html_lang":23,"table_of_contents":25,"faqs":26,"seo_title":27,"seo_description":14,"update_tm":28,"read_time":29},207856,962084925502,"Emma Mercer","https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8",4,"Exam","O-Level Physics Formula Sheet 2","O-Level Physics Formula Sheet 2 compiles core physics relations for fast revision, covering measurements and SI units, number prefixes, and key mechanics topics. It summarizes kinematics formulas for average speed, displacement, velocity and acceleration, then Newton’s laws, resolving forces, weight and density, and rotational ideas like moments and principle of moments. It also includes pressure, work, power, energy conservation, ideal gas law, wave and light laws, and essential electricity and circuit relationships including Ohm’s and Kirchhoff’s laws.","| Measurements |  |  |  |  |\n| --- | --- | --- | --- | --- |\n| Base SI Units\u003Cbr>Kg m\u003Cbr>s AK mol |  | SI Unit for mass: Kilogram\u003Cbr>SI Unit for length: metre\u003Cbr>SI Unit for time: second\u003Cbr>SI Unit for current: Ampere\u003Cbr>SI Unit for Temperature: Kelvin\u003Cbr>SI Unit for Amount of substance: molar |  |  |\n| Number Prefix\u003Cbr>n (10-9)\u003Cbr>µ (10-6) m ( 10-3) c ( 10-2)\u003Cbr>d (10-1)\u003Cbr>K ( 103)\u003Cbr>M ( 106) |  | nano\u003Cbr>micro\u003Cbr>milli\u003Cbr>centi\u003Cbr>deci\u003Cbr>Kilo\u003Cbr>Mega |  |  |\n| Kinematics |  |  |  |  |\n| Average Speeds = ∆d / ∆t\u003Cbr>Average Velocity v = ∆x/∆t Acceleration a = ∆v/∆t | ∆d = total distance travelled (area under speed-time graph)\u003Cbr>∆x = total displacement\u003Cbr>∆t = total time taken\u003Cbr>∆v = change in velocity\u003Cbr>Velocity (slope of displacement-time graph) Acceleration (slope of velocity-time graph) |  |  |  |\n| v = u + atx = ut + ½ at2 v2 = u2 + 2ax\u003Cbr>vfree fall = 􀶥2􀝃ℎ | u = initial velocity\u003Cbr>v = final velocity\u003Cbr>t = time\u003Cbr>a = acceleration\u003Cbr>x = displacement\u003Cbr>h = height\u003Cbr>g = gravitational constant = 9.81 m/s2 |  |  |  |\n| Dynamics |  |  |  |  |\n| Newton’s First Law\u003Cbr>∑ = 0 at equilibrium |  |  | A body continues to stay in its state of rest or uniform motion in a straight line as long as there is nonet force/moment acting on the body. |  |\n| Newton’s Second Law\u003Cbr>F= ma |  |  | The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. |  |\n| Newton’s Third Law |  |  | For every force object A actson object B, object B will exert an equal and opposite\u003Cbr>force on object A giving rise to\u003Cbr>Reaction/Normal Forces |  |\n| Resolving forces\u003Cbr>Fhorizontal = Fr cos Ө Fvertical = Fr sin Ө |  |  | Fvertical\u003Cbr>| Fr\u003Cbr>Fhorizontal |\n| Mass, Weight, Density |  |  |  |  |\n| Weight\u003Cbr>w = mg |  |  | w = Weight\u003Cbr>m = mass\u003Cbr>g = gravitational field strength |  |\n| Density\u003Cbr>ρ = mV |  |  | ρ = density m = mass V = volume |  |\n| Turning effect of Force |  |  |  |  |\n| Moment of Force\u003Cbr>M = F d |  |  | M = Moment\u003Cbr>F = force\u003Cbr>d = ⊥ distance from force to pivot |  |\n\n\n| Principle of Moment\u003Cbr>Σ Anticlockwise Moment = Σ Clockwise Moment |  | For a body in rotational equilibrium,\u003Cbr>Sum ofACW Moment = sum of CW Moment |\n| --- | --- | --- |\n| Pressure |  |  |\n| Pressure\u003Cbr>􀛾 = FA |  | P = Pressure\u003Cbr>F = Force over area, AA = Area |\n| Pressure of liquid column\u003Cbr>P = hρg |  | P = Pressure\u003Cbr>ρ = density,\u003Cbr>h = height of liquid column g = gravitational field strength. |\n| Energy, Work and Power |  |  |\n| Work Done W = Fd |  | W = work done\u003Cbr>F= force\u003Cbr>d= distance in direction of force |\n| Power\u003Cbr>P = W/t = Fv |  | Work done per unit time, t |\n| Kinetic Energy\u003Cbr>􀛳􀜓 = 12 mv2 |  | Ek = Kinetic Energy m = mass\u003Cbr>v = velocity |\n| Gravitational Potential Energy\u003Cbr>Ep = mgh |  | g = gravity =9.81 m/sh = height\u003Cbr>m = mass |\n| Conservation of Energy\u003Cbr>E1 = E2 |  | E1 = Total Energy Before E2 = Total Energy After Energy cannot be created or destroyed. It can only be\u003Cbr>transformed or converted into other forms. |\n| Kinetic Model of Matter |  |  |\n| Ideal Gas Law\u003Cbr>PV ∞ T\u003Cbr>P 1V 1 = P2V2 | P = pressure of fixed mass of gas V = volume occupies by fixed mass of gas\u003Cbr>T = Temperature of gas Subscript 1 = initial state Subscript 2 = final state |  |\n| Thermal Properties of Matter |  |  |\n| Specific Heat Capacity E = m c ∆T | c = Specific heat capacity (Energy required to raise the temperature of 1kg of the object by 1 °C)\u003Cbr>m = mass\u003Cbr>∆T = change in temperature. |  |\n| Latent Heat\u003Cbr>For melting,\u003Cbr>E = m Lfusion For boiling, E = m Lvaporization | Lfusion = latent heat of fusion (Energy required to change 1kg of solid to liquid at the constant temp) Lvaporization = latent heat of vaporization (Energy required to change 1kg of liquid to gas at the constant temp)\u003Cbr>m = mass |  |\n| General Wave Properties |  |  |\n| Wave Velocity\u003Cbr>v = f λ |  | v = velocity of a wave f = frequency λ = wavelength |\n| Wave frequency f = 1T |  | T = Period f = frequency |\n\n[www.youtube.com/m","cbCaihRfEmiTaMPG","https://ap.wps.com/l/cbCaihRfEmiTaMPG","pdf",407046,1,2,"English","en",105,"# Measurements\n## Base SI Units\n## Number Prefix\n# Kinematics\n## Average Speed and Velocity\n## Equations of Motion\n# Dynamics\n## Newton’s Laws\n## Resolving Forces\n# Mass, Weight, Density\n# Turning Effect of Force\n## Moment of Force\n## Principle of Moment\n# Pressure\n# Energy, Work and Power\n# Kinetic Model of Matter\n## Ideal Gas Law\n# Thermal Properties of Matter\n## Specific Heat Capacity\n## Latent Heat\n# General Wave Properties\n## Wave Velocity\n## Wave Frequency\n# Light\n## Law of Reflection\n## Snell’s Law\n## Critical Angle\n## Refractive Index\n## Magnification\n# Current of Electricity\n## Current and Ohm’s Law\n## Resistance of a Wire\n## Kirchhoff’s Laws\n## Series and Parallel Resistance\n# Practical Electricity\n## Electric Power and Energy\n# Electromagnetism\n## Transformer","[{\"question\":\"What are the base SI units and their common symbols in the formula sheet?\",\"answer\":\"The sheet lists kilogram (kg) for mass, metre (m) for length, second (s) for time, ampere (A) for current, kelvin (K) for temperature, and amount of substance in the unit molar for n (mol).\"},{\"question\":\"Which formulas are provided for kinematics and average motion?\",\"answer\":\"It includes average speeds as Δd/Δt, average velocity as Δx/Δt, and acceleration as Δv/Δt, along with standard equations such as v = u + at and v^2 = u^2 + 2ax.\"},{\"question\":\"How are electricity and circuit laws summarized for quick problem solving?\",\"answer\":\"It provides I = Q/Δt, Ohm’s law with R = V/I, wire resistance R = ρL/A, Kirchhoff’s current law (sum of currents in equals sum out), Kirchhoff’s voltage law (sum of potential differences equals supplied EMF), plus series and parallel resistance relationships.\"}]","O-Level Physics Formula Sheet 2 | 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are the base SI units and their common symbols in the formula sheet?","Question",{"text":74,"@type":75},"The sheet lists kilogram (kg) for mass, metre (m) for length, second (s) for time, ampere (A) for current, kelvin (K) for temperature, and amount of substance in the unit molar for n (mol).","Answer",{"name":77,"@type":72,"acceptedAnswer":78},"Which formulas are provided for kinematics and average motion?",{"text":79,"@type":75},"It includes average speeds as Δd/Δt, average velocity as Δx/Δt, and acceleration as Δv/Δt, along with standard equations such as v = u + at and v^2 = u^2 + 2ax.",{"name":81,"@type":72,"acceptedAnswer":82},"How are electricity and circuit laws summarized for quick problem solving?",{"text":83,"@type":75},"It provides I = Q/Δt, Ohm’s law with R = V/I, wire resistance R = ρL/A, Kirchhoff’s current law (sum of currents in equals sum out), Kirchhoff’s voltage law (sum of potential differences equals supplied EMF), plus series and parallel resistance 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