Class 11 Physics Chapter 3 – Translatory Motion MCQs - MCQs

Description: Practice Class 11 Physics Chapter 3 Translatory Motion MCQs according to the FBISE HSSC-I syllabus. These exam-oriented questions cover displacement, velocity, acceleration, equations of motion, free fall, projectile motion, air resistance, momentum, impulse, and collisions.

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1. Transl\ $at\$ ory motion is motion in which

A. Every point of the body moves through the same displacementB. The body must rot\ $at\$ eC. Only one point movesD. The body remains \ $at\$ rest

2. The position of an object is specified rel\ $at\$ ive to a

A. MassB. Reference point or frameC. ForceD. Temper\ $at\$ ure

3. Distance is a

A. Vector quantityB. Scalar quantityC. Dimensionless quantityD. Tensor quantity

4. Displacement is a

A. Scalar quantityB. Vector quantityC. Constant quantity onlyD. Unitless quantity

5. The SI unit of displacement is

A. SecondB. MetreC. NewtonD. Metre per second

6. Average speed is

A. Total displacement/total timeB. Total distance/total timeC. Change in velocity/timeD. Distance multiplied by time

7. Average velocity is

A. Total distance/timeB. Total displacement/timeC. Speed multiplied by timeD. Acceler\ $at\$ ion/time

8. If an object returns to its starting point, its displacement is

A. Equal to distance travelledB. ZeroC. Always positiveD. Always neg\ $at\$ ive

9. The slope of a position-time graph represents

A. Acceler\ $at\$ ionB. VelocityC. ForceD. Momentum

10. The slope of a velocity-time graph represents

A. DisplacementB. Acceler\ $at\$ ionC. DistanceD. Momentum

11. The area under a velocity-time graph represents

A. Acceler\ $at\$ ionB. DisplacementC. ForceD. Speed only

12. The area under a speed-time graph represents

A. Distance travelledB. Acceler\ $at\$ ionC. VelocityD. Force

13. For uniform motion, an object covers

A. Equal distances in equal intervals of timeB. Unequal distances in equal intervalsC. Zero distanceD. Equal distances only in unequal intervals

14. For an object \ $at\$ rest, its velocity is

A. 1 \ $m\,s^{-1}\$ B. ZeroC. MaximumD. Neg\ $at\$ ive

15. The SI unit of velocity is

A. \ $m\,s^{-1}\$ B. \ $m\,s^{-2}\$ C. ND. J

16. Acceler\ $at\$ ion is the r\ $at\$ e of change of

A. PositionB. VelocityC. DistanceD. Mass

17. The SI unit of acceler\ $at\$ ion is

A. \ $m\,s^{-1}\$ B. \ $m\,s^{-2}\$ C. kg \ $m\,s^{-1}\$ D. N s

18. Velocity changes from 10 to 20 \ $m\,s^{-1}\$ in 5 s. Average acceler\ $at\$ ion is

A. 1 \ $m\,s^{-2}\$ B. 2 \ $m\,s^{-2}\$ C. 5 \ $m\,s^{-2}\$ D. 10 \ $m\,s^{-2}\$

19. An object moving with constant velocity has

A. Constant non-zero acceler\ $at\$ ionB. Zero acceler\ $at\$ ionC. Increasing acceler\ $at\$ ionD. Decreasing mass

20. The first equ\ $at\$ ion of uniformly acceler\ $at\$ ed motion is

A. \ $v=u+\$at\$ \$B. s=ut+\ $at\$ C. v=u+stD. a=v/t^2

21. The second equ\ $at\$ ion of uniformly acceler\ $at\$ ed motion is

A. \ $s=ut+\\frac{1}{2}\$at\$ ^2\$B. s=vt+1/2 \ $at\$ ^2C. s=u+\ $at\$ ^2D. s=\ $at\$ /u

22. The third equ\ $at\$ ion of uniformly acceler\ $at\$ ed motion is

A. \ $v^2=u^2+2as\$ B. v=u^2+2asC. v^2=u+2asD. v=u+2as^2

23. The equ\ $at\$ ion \ $s=\\frac{(u+v)t}{2}\$ applies when

A. Acceler\ $at\$ ion is uniformB. Mass is zeroC. Force is zero onlyD. Motion is circular only

24. If an object starts from rest, its initial velocity is

A. 1 \ $m\,s^{-1}\$ B. ZeroC. Equal to acceler\ $at\$ ionD. Equal to distance

25. For an object starting from rest with acceler\ $at\$ ion a, velocity after t is

A. \ $at\$ B. a/tC. t/aD. a+t

26. An object starts from rest with acceler\ $at\$ ion 2 \ $m\,s^{-2}\$ . Velocity after 5 s is

A. 2 \ $m\,s^{-1}\$ B. 5 \ $m\,s^{-1}\$ C. 10 \ $m\,s^{-1}\$ D. 25 \ $m\,s^{-1}\$

27. An object starts from rest with acceler\ $at\$ ion 2 \ $m\,s^{-2}\$ . Displacement in 5 s is

A. 10 mB. 20 mC. 25 mD. 50 m

28. If u=10 \ $m\,s^{-1}\$ , a=2 \ $m\,s^{-2}\$ and t=5 s, final velocity is

A. 12 \ $m\,s^{-1}\$ B. 15 \ $m\,s^{-1}\$ C. 20 \ $m\,s^{-1}\$ D. 25 \ $m\,s^{-1}\$

29. If u=20 \ $m\,s^{-1}\$ and a=-4 \ $m\,s^{-2}\$ , time to stop is

A. 4 sB. 5 sC. 10 sD. 80 s

30. Neg\ $at\$ ive acceler\ $at\$ ion is often called

A. Positive velocityB. Retard\ $at\$ ion or deceler\ $at\$ ionC. Uniform speedD. Displacement

31. For vertical motion near Earth, acceler\ $at\$ ion due to gravity is directed

A. UpwardB. DownwardC. HorizontallyD. Towards east

32. Neglecting air resistance, free-fall acceler\ $at\$ ion near Earth is

A. ZeroB. Constant, about 9.8 \ $m\,s^{-2}\$ downwardC. Increasing with timeD. Dependent on mass

33. Two bodies of different masses dropped from the same height in vacuum reach the ground

A. At different times because of massB. At the same timeC. Only if masses are equalD. With different acceler\ $at\$ ions

34. For an object projected vertically upward, velocity \ $at\$ the highest point is

A. MaximumB. ZeroC. Equal to gD. Neg\ $at\$ ive maximum

35. At the highest point of vertical upward motion, acceler\ $at\$ ion is

A. ZeroB. About 9.8 \ $m\,s^{-2}\$ downwardC. UpwardD. Dependent on mass

36. Time of flight for vertical projection upward with speed u is

A. \ $\\frac{u}{g}\$ B. 2\ $\\frac{u}{g}\$ C. g/uD. u^2/g

37. Maximum height for vertical projection upward with speed u is

A. \ $\\frac{u}{g}\$ B. \ $\\frac{u^2}{2g}\$ C. 2u^2/gD. g/u^2

38. A projectile is an object moving under the influence of

A. Gravity only when air resistance is neglectedB. Mass onlyC. Horizontal force onlyD. Friction only

39. In ideal projectile motion, horizontal velocity is

A. ConstantB. Zero throughoutC. Continuously increasingD. Continuously decreasing

40. In ideal projectile motion, vertical acceler\ $at\$ ion is

A. ZeroB. Constant downward acceler\ $at\$ ion gC. Constant upward acceler\ $at\$ ion gD. Dependent on horizontal velocity

41. The p\ $at\$ h of an ideal projectile is

A. A straight lineB. A parabolaC. A circleD. An ellipse

42. For a projectile launched \ $at\$ angle theta, horizontal initial velocity is

A. \ $u\\sin\\theta\$ B. \ $u\\cos\\theta\$ C. u tan(theta)D. u/cos(theta)

43. For the same projectile, vertical initial velocity is

A. \ $u\\cos\\theta\$ B. \ $u\\sin\\theta\$ C. u tan(theta)D. u/sin(theta)

44. For same-level launch and landing, projectile range is

A. R=\ $\\frac{u^2\\sin(2\\theta)}{g}\$ B. R=\ $\\frac{u\\sin\\theta}{g}\$ C. R=\ $\\frac{u^2\\cos\\theta}{2g}\$ D. R=\ $2ug\$

45. For a given initial speed and same launch/landing level, maximum range occurs \ $at\$

A. 30 degreesB. 45 degreesC. 60 degreesD. 90 degrees

46. Two launch angles th\ $at\$ give the same range \ $at\$ the same speed are

A. Equal angles onlyB. Complementary anglesC. Supplementary anglesD. Always 90 degrees apart

47. Air resistance generally causes a projectile to have

A. Gre\ $at\$ er range than in vacuumB. Reduced range compared with ideal motionC. No acceler\ $at\$ ionD. Constant vertical velocity

48. In a one-dimensional collision, momentum is conserved when

A. The system is isol\ $at\$ ed with negligible external impulseB. Objects have equal masses onlyC. The collision is always elasticD. Velocities are equal

49. An elastic collision is one in which

A. Only mass is conservedB. Kinetic energy and momentum are conservedC. Only velocity is conservedD. Kinetic energy is completely lost

50. Impulse is equal to

A. Change in momentumB. Change in displacementC. Force divided by timeD. Mass divided by velocity

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Syllabus & SLO Alignment

FBISE syllabus: National Curriculum of Pakistan 2022–23, FBISE Assessment Framework for Physics Grade XI.

Content area: Domain B – Mechanics

Relevant SLOs: P-11-B-03 to P-11-B-06

Alignment: Equations of uniformly accelerated motion; solving motion problems; projectile motion without air resistance; qualitative effects of air resistance.

Assessment note: The FBISE framework distinguishes summative SLOs used in the final examination from formative SLOs used in teaching-learning. MCQs on this page should be treated as practice aligned to the listed content/SLOs, not as a reproduction of the official FBISE paper.

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