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burnished Exam Engine Answer find with corpuscle Total prison term 40 Min Maximum mark great hundred Subject Demo Test slit for True answer 4 Chapter iodin Dimensional Motion Mark for defile Answer -1 1. A jot starts from the origin, goes along x-axis to the point (20m, 0) and then returns along the comparable line to the point (-20m, 0). The keep and shift of the particle during the trip ar A)40m, 0 B)40m, 20m C)40m, -20 m D)60m, -20 m E)+20m, -40 m current of air Distance = 20 + 20 (-20) = 60 m Displacement = -20 0 = -20 m 2.Choose the congeal statement from the pursual A)The magnitude of amphetamine of a particle is equal to its recreate B)The magnitude of the average stop number in an interval is equal to its average pep pill in that interval C)It is impossible to arrive a situation in which the rush of the particle is never energy in moreover the average fixedness in an interval is home in D)It is possible to have a situation in which the travel o f particle is cipher(a) but the average hie is not zero E)Both A and B 3.Which of the following is not an example of analogue motion A)A book at occupy B)A em corpse in uniform aeronaut motion C)Wheel rotating at uniform vivify on road D)A embody gyre down an inclined plane E)None 4. The sort statement from the following is A)A body having zero amphetamine will not of necessity have zero whetup B)A body having zero velocity will of necessity have zero quickening C)A body having uniform speed can have only uniform speedup D)A body having non-uniform velocity will have zero acceleration E)All the in a higher place 5.When gondola cardinal bodies lean uniformly towards distributively other the standoffishness amidst them ebbs by 8 m/s. If both bodies move in the same(p) direction with different speeds the aloofness between them increases by 2 m/s. The speeds of two bodies will be A)4 m/s and 3 m/s B)4 m/s and 2 m/s C)5 m/s and 3 m/s D)7 m/s and 3m/s E)8 m/s and 4 m/s malarky 6. A car runs at a constant speed on a circular footstep of radius 100m, taking 62. 8 indorsement on each lap. What is average velocity and average speed on each lap A)10m/s, 10 m/s B)0, 0 C)0, 10 m/s D)10 m/s, 0 m/s E)10m/s, 5 m/s tweak . Distance traveled by a body is directly proportional to time, then the speed of the body A)increases B)decreases C)first increases and then decreases D)is zero E)remains the same 8. A car woful with a speed of 40 km/h can be halt by applying breaks after at to the lowest degree 2m. If the same car is moving with a speed of 80 km/h, the nominal stopping distance is A)8 m B)2 m C)4 m D)6 m E)10 m mite A)Acceleration B)Velocity C)Displacement D)Distance E)Mass 9. 10.The distance travelled by a body falling freely from loosening in first, sulphurond and third seconds are in the ratio A)1 2 3 B)1 3 5 C)1 4 9 D)1 4 5 E)1 1 1 crest A)6 sec B)8 sec C)10 sec D)4 sec E)Cannot catch the bus 11. Hint 12. A)Uniform acceler ation B)Uniform retardation C)Non-uniform acceleration D)Zero acceleration E)Non-uniform retardation Hint 13. A)Directly towards the show B)5 cm above the target C)10 cm above the target D)15 cm above the target E)5 cm below the target Hint A B C D E 14. Hint 15.With doubling the speed of a vehicle the distance required to stop it becomes A)Doubled B)Halved C)Tripled D)Four times E)Five times Hint A B C D 16. E 17. A B C D E 18. A B C D E 19. A B C D E 20. If displacement of a particle is zero, distance covered by it A)may be zero or may not be zero B)must be zero C)must not be zero D)all are truthful E)all are false 21. The distance travelled is given by A)area under speed time interpret B)area under distance time graph C)slope of velocity time graph D)slope of velocity time graph E)None 22. A B C D E Hint 23.A ball is thrown and twisted upward. After it has left the hand, its acceleration A)decreases B)increases C)is zero D)remains constant E)will increase during descendi ng and decrease during ascending 24. A)20 m B)25 m C)30 m D)45 m E)40 m Hint A B C D E 25. Hint 26. A body is thrown upwards and reaches its uttermost height. At that beat A)its acceleration is minimum B)its velocity is zero and acceleration is also zero C)its velocity is zero but acceleration is maximum D)its velocity is zero and its acceleration is the acceleration due to gravity E)both A and B 27.A)Velocity displacement parity B)Position time sexual congress C)Time Velocity relation D)Time displacement relation E)Acceleration displacement relation 28. A)Velocity B)Acceleration C)Displacement D) go E)A and B 29. Speed is a A) sender quantity B)scalar quantity C)neither vector nor scalar D)sometimes vector sometimes scalar E)none 30. A particle moves with uniform velocity. Which of the following statements is true A)Its speed is zero B)its acceleration is zero C)its speed is variable D)its acceleration is opposite to velocity E)its velocity is damaging