Physics · Chapter 2 of 11

Motion: BPSC & UPPCS Prelims PYQs

11 previous-year questions on Motion. Each one opens to its answer and explanation.

1. 1. 71st BPSC Prelims 2025

   We apply a force of 200 Newtons on a wooden Box and push it on the floor at constant velocity. The marginal friction force will be:

   1. A200 Newtons
   2. B100 Newtons
   3. C300 Newtons
   4. D400 Newtons
   Answer and explanation →

2. 2. 71st BPSC Prelims 2025

   A truck starts from rest down a hill with a constant acceleration. It achieves 400 meters in 20 seconds. If the weight of the truck is 7 tons then what will be the force acting on it?

   1. A12000 Newtons
   2. B11000 Newtons
   3. C13000 Newtons
   4. D14000 Newtons
   Answer and explanation →

3. 3. 70th BPSC Prelims 2024

   Which of the following is a non-contact force?

   1. AMagnetic force
   2. BFrictional force
   3. CImpact force
   4. DNone of these
   Answer and explanation →

4. 4. UPPSC Prelims 2024

   A bus covers the first half of a certain distance with speed v₁ and the second half with a speed v₂. The average speed during the whole journey is:

   1. A(2 v₁ v₂)/(v₁+v₂)
   2. B(v₁+v₂)/2
   3. C(v₁ v₂)/(v₁+v₂)
   4. D√(v₁ v₂)
   Answer and explanation →

5. 5. 68th BPSC Prelims 2023

   Ball bearings are used to convert static friction into

   1. Arolling friction
   2. Bdrag
   3. Csliding friction
   4. DMore than one of the above
   5. ENone of the above
   Answer and explanation →

6. 6. 68th BPSC Prelims 2023

   A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goalkeeper to

   1. Adecrease the rate of change of momentum
   2. Bexert large force on the ball
   3. Cincrease the force exerted by the ball on hands
   4. DMore than one of the above
   5. ENone of the above
   Answer and explanation →

7. 7. 68th BPSC Prelims 2023

   Centripetal force is responsible to

   1. Aindependent motion of the object in space
   2. Bkeep the body moving along the circular path
   3. Cfly the object along a straight line
   4. DMore than one of the above
   5. ENone of the above
   Answer and explanation →

8. 8. 68th BPSC Prelims 2023

   A bus is moving along a straight path and takes a sharp turn to the right side suddenly. The passengers sitting on the bus will

   1. Abent towards right side
   2. Bfall in the forward direction
   3. Cbent towards left side
   4. DMore than one of the above
   5. ENone of the above
   Answer and explanation →

9. 9. 67th BPSC Prelims 2022

   The working principle of a washing machine is

   1. Adiffusion
   2. Bcentrifugation
   3. Cdialysis
   4. Dreverse osmosis
   5. ENone of the above/More than one of the above
   Answer and explanation →

10. 10. 67th BPSC Prelims 2022

    Who is the first person to define speed?

    1. ANewton
    2. BKepler
    3. CPtolemy
    4. DGalileo
    5. ENone of the above/More than one of the above
    Answer and explanation →

11. 11. 45th BPSC Prelims 2001

    What is the correct equation for finding the acceleration?

    1. Aa = (v − u)/t
    2. Ba = u + vt
    3. Ca = (v + u)/t
    4. Da = (v + u)/2
    Answer and explanation →