[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-207876-en":3,"doc-seo-207876-105":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":4,"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},207876,137451211410,"\tCallum ","https://ap-avatar.wpscdn.com/avatar/2000bb0a9246f588df?x-image-process=image/resize,m_fixed,w_180,h_180&k=1786362646172706240",4,"Exam","2021 AQA GCSE Higher Tier Physics Paper 2","Physics GCSE Higher Tier Paper 2 for 2021 AQA, covering braking and thinking distances, kinematics and forces, pressure and piston mechanics, and elastic deformation in a playground toy context. The paper provides exam instructions, required equipment (ruler, scientific calculator, protractor, Physics Equations Sheet), and marking guidance. It asks students to explain the effect of factors on braking distance, select correct equations, perform force/deceleration and stopping-distance calculations, determine surface area from pressure, and define elastic deformation.","Please write clearly in block capitals.Centre numberCandidate numberSurnameForename(s)Candidate signatureldeclare this is my own work.  \nGCSEPHYSICS  \nH  \n# Higher Tier\n\nPaper 2  \nTime allowed:1 hour 45 minutes  \nMaterials  \n\n| For Examiner's Use   |  |\n| --- | --- |\n| Question   | Mark   |\n| 1   |  |\n| 2   |  |\n| 3   |  |\n| 4   |  |\n| 5   |  |\n| 6   |  |\n| 7   |  |\n| 8   |  |\n| 9   |  |\n| TOTAL I   |  |\n\nFor this paper you must have:  \n● a ruler  \n● a scientific calculator  \n·a protractor  \n·the Physics Equations Sheet(enclosed).  \n# Instructions\n\n·Use black ink or black ball-point pen.Pencil should only be used for drawing.  \n● Fill in the boxes at the top of this page.  \n● Answer all questions in the spaces provided.  \n·Do not write outside the box around each page or on blank pages.  \n·If you need extra space for your answer(s),use the lined pages at the end ofthis book.Write the question number against your answer(s).  \n·Do all rough work in this book.Cross through any work you do not want tobe marked.  \n·In all calculations,show clearly how you work out your answer.  \nInformation  \n● The maximum mark for this paper is 100.  \n● The marks for questions are shown in brackets.  \n·You are expected to use a calculator where appropriate.  \n·You are reminded of the need for good English and clear presentation inyour answers.  \n8463/2H  \nJ U N 2184632 H 01  \nDo not write  \noutside the  \nbox  \n| Answer all questions in the spaces provided.   |  |  |\n| --- | --- | --- |\n| The thinking distance and braking distance for a car vary with the speed of the car.  \u003Cbr>1  \u003Cbr>0   |  |  |\n| 01|.1   | Explain the effect of two other factors on the braking distance of a car.   |  |\n|  | Do not refer to speed in your answer.  \u003Cbr>[4 marks]   |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  | Question 1 continues on the next page   |  |\n|  |  |  |\n|  |  |  |\n\n3  \nTurn over▶  \n| Which equation links acceleration(a),mass(m)and resultant force(F).  \u003Cbr>1.2  \u003Cbr>0  \u003Cbr>[1 mark]  \u003Cbr>Tick(√)one box.  \u003Cbr>resultant force =mass ×acceleration  \u003Cbr>resultant force =mass×acceleration²  \u003Cbr>01.3 The mean braking force on a car is 7200 N.  \u003Cbr>The car has a mass of 1600 kg.  \u003Cbr>Calculate the deceleration of the car.  \u003Cbr>[3 marks]  \u003Cbr>m/s²  \u003Cbr>Deceleration =____   |\n| --- |\n\nDistance  \nin metres  \nFigure 1 shows how the thinking distance and braking distance for a car vary withthe speed of the car.  \nFigure 1  \nSpeed in km/h  \nDetermine the stopping distance when the car is travelling at 80 km/h.[2 marks]  \nStopping distance =          \nQuestion 1 continues on the next page  \nFigure 2 shows part of the braking system for a car.  \nFigure 2  \n1.5  \nWhich equation links area of a surface (A),the force normal to that surface(F)andpressure(p).[1 mark]  \n0  \nTick(√)one box.  \np=F×A  \np=F×A2  \n| 1.6  \u003Cbr>0   | When the brake pedal is pressed,a force of 60 N is applied to the piston.  \u003Cbr>The pressure in the brake fluid is 120000 Pa.   |  |\n| --- | --- | --- |\n|  |  |  |\n|  | Calculate the surface area of the piston.   |  |\n|  | Give your answer in standard form.   |  |\n|  | Give the unit.  \u003Cbr>[5 marks]   |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  |  |  |\n|  | Unit  \u003Cbr>Surface area (in standard form)=___  _   |  |\n|  | Turn over for the next question   |  |\n|  |  |  |\n|  |  |  |\n\n7  \nTurn over▶  \nDo not write  \noutside the  \nbox  \n| Figure 3 shows a child on a playground toy.  \u003Cbr>0  \u003Cbr>2  \u003Cbr>Figure 3  \u003Cbr>0 |2|.1 The springs have been elastically deformed.  \u003Cbr>Explain what is meant by 'elastically deformed'.  \u003Cbr>[2 marks]  \u003Cbr>Question 2 continues on the next page   |\n| --- |\n\nTurn over▶  \nA student investigated the relationship between the force applied to a spring and theextension of the spring.  \nFigure 4 shows the results.  \nForce  \nin newtons  \nFigure 4  \nExtension in metres","cbCaiuo7KQjjNVHa","https://ap.wps.com/l/cbCaiuo7KQjjNVHa","pdf",2017953,1,40,"English","en",105,"# Instructions\n## Equipment and answering guidance\n# Question 1: Braking and forces\n## Thinking distance and braking distance\n## Acceleration, mass and resultant force\n## Deceleration calculation\n## Stopping distance at 80 km/h\n## Pressure and force equation\n## Brake system pressure and piston surface area\n# Question 2: Springs and elastic deformation\n## Meaning of elastically deformed","[{\"question\":\"What equipment is required for this Physics Paper 2?\",\"answer\":\"You must have a ruler, a scientific calculator, a protractor, and the Physics Equations Sheet (enclosed).\"},{\"question\":\"How do you determine the stopping distance at 80 km/h?\",\"answer\":\"Use the provided Figure 1 showing how thinking distance and braking distance vary with speed, then read off the stopping distance at 80 km/h as requested in the question.\"},{\"question\":\"What does 'elastically deformed' mean in the springs question?\",\"answer\":\"It means the springs are deformed and can return to their original shape when the applied force is removed.\"}]","2021 AQA GCSE Higher Tier Physics Paper 2 | 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