4E Pure Phy 2021 GE2 P1

O JURONGSECONDARYSCHOOL2021GRADUATIONEXAMINATION2SECONDARY4EXPRESS CANDIDATENAME CLASS INDEXNUMBER PHYSICS 6091/01Paper1MultipleChoice 1Sep20211hourAdditional Materials: MultipleChoiceAnswer Sheet READTHESEINSTRUCTIONSFIRST Donot openthisbooklet until youaretoldtodoso. Writeinsoft pencil.Donot usestaples, paper clips, highlighters, glueor correctionfluid.Write your name, class and index number on the answer sheet in the spacesprovided. Therearefortyquestionsinthispaper. Answer all thequestions.For eachquestion, therearefour possibleanswersA, B, C, andD.Choose the one you consider correct and record your choice in soft pencil on theseparateAnswer Sheet. ReadtheinstructionsontheAnswer Sheet verycarefully. Each correct answer will score one mark. A mark will not be deducted for a wronganswer.Anyroughworkingshouldbedoneinthisbooklet. Theuseof anapprovedscientificcalculator isexpected, whereappropriate. For Examiner’sUsePAPER1[40marks] Thisdocumentconsistsof18printedpagesincludingthispage.

2 1 What isthereadingshownonthemicrometer? A 3.13mm B 3.63mm C 7.13mm D 7.63mm 2 Whichgraphrepresentsthemotionof abodyfallingvertically? 6091/1/GE2/21 [Turnover]

3 3 Thevelocity-timegraphof anobject’smotionisshown. velocity/ ms -1 time/ s15-128 12 16 What isthedistancetravelledintheoppositedirection? A 24m B 60m C 72m D 132m4 Aman pulls a cart of mass 25 kgacrosslevel groundwithahorizontal forceof 60N.Aconstant forceof frictionof 20Nactsonthecart. What istheaccelerationof thecart? A 0.63m/s 2 B 1.6m/s 2 C 2.4m/s 2 D 3.2m/s 2 5 How is the motion of a body affected by balanced and unbalanced forces acting onit? balancedforces unbalancedforces A velocitychanges velocitychangesB velocitychanges velocityconstantC velocityconstant velocitychangesD velocityconstant velocityconstant 6091/1/GE2/21 [Turnover]

4 6 Ahangingbasket isfixedtoawall byasocket. Theweight of thebasket is80N. Theweight of thebracket is20N. What isthesizeanddirectionof theforceexertedonthebracket bythewall? sizeof force directionof force A 20N downwardsB 100N upwardsC 20N upwardsD 100N downwards 7 Some students measure the masses and volumes of different sized samples of atypeof wood. Whichgraphshowstheir results? 6091/1/GE2/21 [Turnover]

5 8 Auniformmetreruleisbalancedbya4.0Nweight asshown. What istheweight of themetrerule? A 0.8N B 1.0N C 4.0N D 40 N 9 Atractor isbeingusedonroughground. Whichisthesafest point for itscentreof gravity? 6091/1/GE2/21 [Turnover]

6 10 Four identical measuringcylinderscontainliquid. Twocontainwater of density1000kg/m 3 .Twocontainparaffinof density800kg/m 3 . Whichcylinder hastheleast pressureexertedonitsbasebytheliquidit contains? 11 Amanometer isconnectedtoagassupply. Pressurecanbemeasuredincmof water. What isthepressureof thegas? A 4cmof water morethanatmosphericpressureB 8cmof water lessthanatmosphericpressureC 8cmof water morethanatmosphericpressureD 12cmof water morethanatmosphericpressure 6091/1/GE2/21 [Turnover]

7 12 Amass hangs fromafixedpoint P. It starts