[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-409099-105":3,"doc-detail-409099-en":81,"detail-sidebar-cat-0-en-105":97},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","physics-definitions-exam-study-guide","Physics definitions - Exam study guide","","Physics definitions for exam revision, presenting core concepts in clear, student-friendly phrasing. Covers quantities such as scalar and vector, mass and weight, plus motion topics including displacement, velocity, acceleration, and force-related ideas like momentum, pressure, and density. Extends to moments, work, energy, and power, then circular motion, SHM, and key optics terms (incident and reflected/refracted rays, images, refraction, lens and focal properties). Includes heat fundamentals, temperature, heat capacity, specific heat, and latent heat.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/exam/","Exam",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/physics-definitions-exam-study-guide/409099/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/physics-definitions-exam-study-guide/409099.png","ImageObject",300,407,{"name":42,"@type":43},"Aran","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-30","2026-09-28",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",12,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What is the difference between scalar and vector quantities?","Question",{"text":63,"@type":64},"Scalar quantities have magnitude only, while vector quantities have both magnitude and direction.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"How are acceleration and velocity defined in linear motion?",{"text":68,"@type":64},"Velocity is the rate of change of displacement with respect to time, and acceleration is the rate of change of velocity with respect to time.",{"name":70,"@type":61,"acceptedAnswer":71},"What is refraction and when does total internal reflection occur?",{"text":72,"@type":64},"Refraction is the bending of light as it passes between media. Total internal reflection occurs when light goes from a denser medium to a rarer medium at an angle greater than the critical angle and is completely reflected.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},409099,1790762855,{"code":4,"msg":82,"data":83},"success",{"doc_id":79,"user_id":84,"nickname":42,"user_avatar":85,"doc_module":4,"category_id":33,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":86,"file_id":87,"file_url":88,"file_type":89,"file_size":90,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":55,"language":91,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":92,"faqs":93,"seo_title":94,"seo_description":12,"update_tm":95,"read_time":96,"preview_page_count":4},137455076865,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","Physics definitions |  \nAll the definitions you need to know for the exam, explained simply.  \nBasic  \n􀁸  Scalar  \n􀂟 A quantity which has a magnitude, but no direction.  \n􀁸  Vector  \n􀂟 A quantity which has both a magnitude and a direction.  \n􀁸  Mass (m) (kg)  \n􀂟 The quantity of matter in a body regardless of its volume or of any forces acting on it.  \n􀁸  Weight (w) (N)  \n􀂟 The measure of the force of gravity on a body.  \nLinear motion  \n􀁸  Displacement (s) (m)  \n􀂟 Distance travelled in a given time.  \n􀁸  Velocity (v/u) (m/s)  \n􀂟 Rate of change of displacement with respect to time.  \n􀁸 Acceleration (a) (􀝉/􀝏2)  \n􀂟 Rate of change of velocity with respect to time.  \nForce  \n􀁸  Force (f) (N)  \n􀂟 Anything which causes something to accelerate.  \n􀁸  Momentum (p) (􀝇􀝃􀝉/􀝏)  \n􀂟 The product of a body’s velocity and mass.  \nPressure  \n􀁸  Density (ρ) (kg/􀝉3)  \n􀂟 Mass per unit volume.  \n􀁸  Pressure (p) (Pa)  \n􀂟 Force per unit area.  \n􀁸  Volume (V) (􀝉3)  \n􀂟 The amount of space that a substance or object occupies.  \nPhysics definitions | 1  \nMoments  \n􀁸  Lever  \n􀂟 A ridged body free to rotate about a fixed point known as a fulcrum.  \n􀁸  Moment  \n􀂟 The magnitude of the force multiplied by the perpendicular distance from the axis to the force.  \n􀁸  Couple  \n􀂟 A pair of equal parallel forces that turn in opposite directions.  \nWork, Energy and Power.  \n􀁸  Work (W) (J / Nm)  \n􀂟 The energy given to a body by a force moving it through a displacement in the same direction as the applied force.  \n􀁸  Energy (E) (J)  \n􀂟 The ability to do work.  \n􀁸  Potential Energy (E) (J)  \n􀂟 Energy due to position or conformation.  \n􀁸  Kinetic Energy (E) (J)  \n􀂟 Energy due to movement  \n􀁸  Power (P) (w)  \n􀂟 The rate the work is done. / The rate of energy conversion.  \n􀁸  Efficiency (Eff) (%)  \n􀂟 The comparison of energy put in to useful energy returned.  \nCircular Motion  \n􀁸  Radian (ϴ) (rad)  \n􀂟 Unit of angle derived from an arc with an equal length to its radius.  \n􀁸  Linear speed (v) (m/s)  \n􀂟 The distance travelled along the arc with respect to time.  \n􀁸  Tangential speed (v) (m/s)  \n􀂟 Linear speed tangential to the circle.  \n􀁸 Angular velocity (ω) (rad/s)  \n􀂟 The rate of change to angle with respect to time.  \n􀁸  Period (T) (s)  \n􀂟 The time taken to complete one revolution.  \n􀁸  Centripetal Force (F) (N)  \n􀂟 The force directed towards the centre of a circle that is necessary to keep a body moving ina circular path.  \n􀁸  Centripetal Acceleration (a) (􀝉/􀝏2)  \n􀂟 The acceleration towards the centre of a circle that holds a body in orbit.  \nPhysics definitions | 2  \n􀁸  Geostationary Orbit  \n􀂟 An orbit which takes place in the same plane of rotation as the planet and has an equal angular velocity. It only works for 1 height.  \nSimple Harmonic Motion  \n􀁸  SHM  \n􀂟 A form of periodic motion in which the acceleration is always:  \n􀁩 Directed towards the equilibrium.  \n􀁩 Proportional to the displacement from the equilibrium.  \n􀁸  Oscillating  \n􀂟 To move or swing back and forth with a steady rhythm.  \n􀁸  Cycle  \n􀂟 The movement from one extreme to the other and back again.  \n􀁸  Frequency (f) (Hz)  \n􀂟 Cycles per second.  \n􀁸  Period (T) (s)  \n􀂟 The time taken to complete one cycle.  \n􀁸 Amplitude  \n􀂟 The maximum displacement either side of the equilibrium.  \n􀁸  Damping  \n􀂟 An effect that reduces the amplitude of oscillations over time.  \nOptics  \n􀁸  Incident ray  \n􀂟 The light ray coming into the mirror/lens.  \n􀁸  Reflected/Refracted ray  \n􀂟 The light ray leaving the mirror/lens.  \n􀁸  Normal  \n􀂟 The perpendicular line drawn at the point of incidence of light.  \n􀁸 Angles of incidence and reflection.  \n􀂟 The angles between the rays and the normal.  \n􀁸  Real Image  \n􀂟 Image caused by the intersection of real light rays.  \n􀁸  Virtual Image  \n􀂟 Image caused by the apparent intersection of light rays.  \n􀁸  Parallax  \n􀂟 The difference in the apparent position of an object viewed through two different lines of sight.  \n􀁸  Centre of Curvature (c)  \n􀂟 The theoretical centre of the sphere fro","cbCaivt8urPhOqI2","https://ap.wps.com/l/cbCaivt8urPhOqI2","pdf",488562,"English","# Basic\n## Scalar and Vector\n## Mass and Weight\n# Linear Motion\n## Displacement, Velocity, Acceleration\n# Force and Pressure\n## Force, Momentum, Density, Pressure\n## Volume\n# Moments\n## Lever, Moment, Couple\n# Work, Energy and Power\n## Work, Energy, Potential/Kinetic\n## Power and Efficiency\n# Circular Motion\n## Radian, Angular velocity, Period\n## Centripetal Force and Acceleration\n# Simple Harmonic Motion\n## SHM, Oscillation, Frequency and Amplitude\n# Optics\n## Rays, Normal, Images, Parallax\n## Curvature, Pole, Focal Point\n## Refraction and Critical Angle\n# Heat\n## Heat, Temperature, Thermometric properties\n## Heat capacity, Specific heat, Latent heat","[{\"question\":\"What is the difference between scalar and vector quantities?\",\"answer\":\"Scalar quantities have magnitude only, while vector quantities have both magnitude and direction.\"},{\"question\":\"How are acceleration and velocity defined in linear motion?\",\"answer\":\"Velocity is the rate of change of displacement with respect to time, and acceleration is the rate of change of velocity with respect to time.\"},{\"question\":\"What is refraction and when does total internal reflection occur?\",\"answer\":\"Refraction is the bending of light as it passes between media. Total internal reflection occurs when light goes from a denser medium to a rarer medium at an angle greater than the critical angle and is completely reflected.\"}]","Physics definitions - Exam study guide | PDF",1790581349,30,{"code":4,"msg":82,"data":98},[99,103,107,110,115,120,125,129,134,137,141],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":100,"show_sort_weight":101,"slug":102},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":104,"show_sort_weight":105,"slug":106},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":108,"slug":109},70,"exam",{"id":111,"doc_module":4,"doc_module_name":25,"category_name":112,"show_sort_weight":113,"slug":114},5,"Comic",60,"comic",{"id":116,"doc_module":4,"doc_module_name":25,"category_name":117,"show_sort_weight":118,"slug":119},6,"Technology",50,"technology",{"id":121,"doc_module":4,"doc_module_name":25,"category_name":122,"show_sort_weight":123,"slug":124},7,"Healthcare",40,"healthcare",{"id":126,"doc_module":4,"doc_module_name":25,"category_name":127,"show_sort_weight":96,"slug":128},8,"Research & Report","research-report",{"id":130,"doc_module":4,"doc_module_name":25,"category_name":131,"show_sort_weight":132,"slug":133},9,"Religion & Spirituality",20,"religion-spirituality",{"id":132,"doc_module":4,"doc_module_name":25,"category_name":135,"show_sort_weight":132,"slug":136},"World Cup","world-cup",{"id":138,"doc_module":4,"doc_module_name":25,"category_name":139,"show_sort_weight":138,"slug":140},10,"Lifestyle","lifestyle",{"id":142,"doc_module":4,"doc_module_name":25,"category_name":143,"show_sort_weight":111,"slug":144},19,"General","general"]