XI Physics Force and Motion Online Test Mdcat-2024

Force and Motion online test for mdcat
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    Test Details:

      • Subject: Physics
      • Class: 1st year or 11
      • Chapter name: Force and Motion
      • Test: MDCAT 2024
      • Book: Sindh Textbook
      • Total No. Of MCQS: 50
      • Time Allowed: 60 Minutes
      • Price : Free
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      Created on By 99aa5633491da71752e906844cd41aa5medicoengineer.com

      XI Physics Force and Motion Online Test Mdcat-2024

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      1 / 50

      1. If the mass of an object is increased and force is kept constant, what will be the effect on acceleration?

      2 / 50

      2. Two bodies are moving towards each other from opposite directions with speed V. What is the magnitude of their relative velocity?

      3 / 50

      3. A force of 6.0 N changes the momentum of a moving object by 3.0 kg·m/s. How long did the force act on the mass?

      4 / 50

      4. In the head-on elastic collision of a heavy vehicle moving with a velocity of 20 m/s and a small stone at rest, the stone will fly away with a velocity equal to:

       

       

      5 / 50

      5. If momentum is increased by 20% then K.E. increases by:

      6 / 50

      6. Distance travelled by a body falling freely starting from rest in the 1st, 2nd, and 3rd seconds are in the ratio:

      7 / 50

      7. Throwing a package onto shore from a boat that was previously at rest causes the boat to move outward from shore. This is explained by:

      8 / 50

      8. If a body starts from a point and returns back to the same point then its:

      9 / 50

      9. An object with constant acceleration:

      10 / 50

      10. An object with a constant speed:

      11 / 50

      11. The total linear momentum of a system remains constant if:

      12 / 50

      12. All statements are correct about the third law of motion except:

      13 / 50

      13. Elastic collision is that collision during which:

      14 / 50

      14. When a body of mass (m) moving with velocity (V) collides elastically with another body of the same mass and at rest, then after the collision:

      15 / 50

      15. Which law is applicable in the motion of a rocket in space?

      16 / 50

      16. Stoke's law is applicable to:

      17 / 50

      17. A body moves over one-fourth of a circular arc in a circle of radius r. The magnitude of distance travelled and displacement will be respectively:

      18 / 50

      18. The external unbalanced force required to accelerate a body is proportional to the product of the mass of the body and the acceleration produced. This is called:

      19 / 50

      19. A car accelerates from its initial position and then returns to the initial point. Then:

      20 / 50

      20. A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km/h. Finding the market closed, he instantly turns and walks back home with a speed of 7.5 km/h. The average speed of the man over the interval of time 0 to 40 min is equal to:

      21 / 50

      21. A train has a speed of 60 km/h for the first hour and 40 km/h for the next half hour. Its average speed in km/h is:

      22 / 50

      22. The displacement of a particle, moving in a straight line, is given by S=2t² + 2t + 4  where s is in meters and t in seconds. The acceleration of the particle is:

      23 / 50

      23. The velocities of two equal masses A and B are 13 m/s and -14 m/s respectively. What will be their respective velocities after they suffer one-dimensional elastic collision?

      24 / 50

      24. A ball is in free fall. Its acceleration is:

      25 / 50

      25. A train is moving east at a speed of 5 m/s. A bullet fired westwards with a velocity of 10 m/s crosses the train in 8 s. The length of the train is:

      26 / 50

      26. A mass of 20 kg moving with a speed of 10 m/s collides with another stationary mass of 5 kg. As a result of the collision, the two masses stick together. The kinetic energy of the composite mass will be:

      27 / 50

      27. Two objects, P and Q, have the same momentum. Q has more kinetic energy than P if it:

      28 / 50

      28. When the velocity-time graph is a straight line parallel to the time axis then:

      29 / 50

      29. A body is falling freely under gravity. How much distance does it fall during an interval of time between the 1st and 2nd seconds of its motion? (taking g=10 m/s²)

      30 / 50

      30. An object is dropped from the top of a tower. If it takes 10 seconds to hit the ground, find the height of the tower: (g=10 m/s²)

      31 / 50

      31. A man covers the first half of his journey at the rate of 20 km/hr and the second half at the rate of 30 km/hr. If he takes a total time of 5 hours to complete the journey, how much total distance did he cover?

      32 / 50

      32. If the instantaneous speed and average speed of a body are not equal, then the body is moving with:

      33 / 50

      33. The initial velocity of a body decelerating at the rate of 2 m/s² is 20 m/s. What is the displacement covered by the body in the 4th second of its motion?

      34 / 50

      34. If momentum of a body changes from 100 Ns to 200 Ns in 10 s, then the unbalanced external force responsible for the change in momentum is:

      35 / 50

      35. Two masses of 1 g and 4 g are moving with equal kinetic energies. The ratio of their linear momenta is:

      36 / 50

      36. Of the following, which one is an impossible situation?

      37 / 50

      37. The speeds of two identical cars are (u) and (4u) at a specific instant. The ratio of respective distances in which the two cars are stopped from that instant is:

      38 / 50

      38. The area under the force-time graph is equivalent to:

      39 / 50

      39. The quantitative definition of force is given by:

      40 / 50

      40. The law of force that explains the concept of inertia is:

      41 / 50

      41. The numerical ratio of displacement to the distance covered by a body is always __ if the body moves in a straight line.

      42 / 50

      42. Acceleration is always __ for a free falling body:

      43 / 50

      43. The area between the velocity-time graph and the time axis is numerically equal to:

      44 / 50

      44. Displacement after half a circle with radius (r) is:

      45 / 50

      45. The diagram represents the straight-line motion of a car. Which of the following statements is true?

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      46 / 50

      46. In which situation, distance is three times than its displacement?

      47 / 50

      47. If a car covers 2/5th of the total distance with speed V₁ and 3/5th of the distance with speed V₂, then the average speed is:

      Screenshot 2024 06 26 214658Screenshot 2024 06 26 214723

      48 / 50

      48. A person completes half of his journey with speed V₁ and the rest half with speed V₂. The average speed of the person is:

      Screenshot 2024 06 26 215450Screenshot 2024 06 26 215511

      49 / 50

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      50 / 50

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