- iamal
- December 4, 2025
Motion in One Dimension Questions: 30 Ultimate & Effective Concept-Building MCQs with Answers
Understanding motion in one dimension is one of the most important foundations in Class 11 Physics. Whether preparing for NEET, JEE, CUET, or school exams, students repeatedly encounter concepts such as displacement, velocity, acceleration, average speed, velocity-time graphs, and kinematic equations. To strengthen conceptual clarity, this post brings together carefully curated Motion in One Dimension Questions—each designed to test physics fundamentals and improve problem-solving accuracy. These Motion in One Dimension Questions are designed to build strong fundamentals.
Motion in one dimension questions—often called rectilinear motion—is the first stepping stone into the world of physics, and it forms the foundation for everything students learn later in mechanics. Whether a car is moving along a straight highway, an athlete is sprinting on a track, or a stone is falling freely under gravity, each of these scenarios beautifully showcases the principles of 1D motion. Learning physics becomes easier when you practice well-structured Motion in One Dimension Questions that simply complex ideas.
MCQs on Motion in One Dimension with Answers
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A car traveling on a straight path moves with uniform velocity v₁ for some time and with velocity v₂ for the next equal time. The average velocity is:
a) √(v₁v₂)
b) (v₁ + v₂) / 2
c) (1/v₁ + 1/v₂)⁻¹
d) 2(1/v₁ + 1/v₂)⁻¹
Answer: b -
A particle is projected with velocity v₀ along the x-axis. Its deceleration is proportional to x² (a = αx²). The stopping distance is:
a) (2α³v₀²)¹/³
b) (2α³v₀)¹/³
c) (3α²v₀²)¹/³
d) (2α³v₀)¹/³
Answer: d -
A boy cycles around a circular track of radius 20 m at 20 m/s. The lean angle θ is:
a) 60.25°
b) 63.90°
c) 26.12°
d) 30.00°
Answer: b -
Average speed of a car moving X→Y at speed Vu and returning at Vd is:
a) 2VuVd / (Vu + Vd)
b) (Vu + Vd) / 2
c) Vu + Vd
d) VuVd / (Vu + Vd)
Answer: a -
A particle of mass m moving at speed v collides with a stationary particle of mass 2m. Speed of the system after collision is:
a) 3v
b) 2v
c) v/3
d) 2v
Answer: c -
Two boys A and B stand at ends of ground AB = a. B runs perpendicular to AB with velocity v₁. A runs with velocity v and catches B in time t. The value of t is:
a) a / √(v² + v₁²)
b) a / √(v² − v₁²)
c) a / (v + v₁)
d) (v + v₁) / a
Answer: b -
For x = ae^(αt) + be^(βt), velocity will:
a) Decrease with time
b) Be independent of α and β
c) Become zero when α = β
d) Increase with time
Answer: d -
A rubber ball falls from h = 4.9 m onto an elastic plate. Velocity–time curve will be:
a) Fig (a)
b) Fig (b)
c) Fig (c)
d) Fig (d)
Answer: c -
Object with speed 6.25 m/s has dv/dt = −2.5v. Time to come to rest is:
a) 2 s
b) 4 s
c) 8 s
d) 1 s
Answer: a -
A particle moves from A to B in 1 s along a semicircle of radius 1 m. Magnitude of average velocity:
a) 3.14 m/s
b) 2 m/s
c) 1 m/s
d) 0
Answer: b -
The distance-time graph shows the car is:
a) At rest
b) In uniform motion
c) In non-uniform acceleration
d) Uniformly accelerated
Answer: d -
Position–time graph showing a straight line indicates:
a) Positive acceleration
b) Negative acceleration
c) Zero acceleration
d) None
Answer: c -
x = ai + bt j + (c/2)t² k shows particle is:
a) Accelerated along k̂
b) Decelerated along k̂
c) Decelerated along ĵ
d) Accelerated along ĵ
Answer: a -
Distance d and displacement S satisfy:
a) d ≤ |S|
b) d = |S|
c) d ≥ |S|
d) d < |S|
Answer: c -
A straight-line displacement–time graph indicates:
a) Uniform velocity
b) Non-uniform velocity
c) Circular motion
d) Non-uniform speed
Answer: a -
Displacement varies as a parabola indicates particle is:
a) Uniform velocity
b) Accelerated
c) Decelerated
d) Periodic motion
Answer: b -
For x = At² − Bt³, acceleration = 0 at:
a) 3B / 2A
b) B / A
c) 2A / B
d) Zero
Answer: c -
Acceleration–time graph → maximum velocity is:
a) 110 m/s
b) 55 m/s
c) 65 m/s
d) 550 m/s
Answer: b -
Correct displacement-time curve for motion shown:
a) Fig (a)
b) Fig (b)
c) Fig (c)
d) Fig (d)
Answer: b -
Correct graph for uniform acceleration is:
a) Graph a
b) Graph b
c) Graph c
d) Graph d
Answer: c -
Two bodies A, B start with accelerations a₁, a₂. If distances in 5th second are equal:
a) 9:5
b) 5:7
c) 5:9
d) 7:9
Answer: c -
Speed vs velocity:
a) Both vectors
b) Both scalars
c) Speed vector, velocity scalar
d) Speed scalar, velocity vector
Answer: d -
Velocity–time graph for uniform acceleration is:
a) Parabola
b) Logarithmic
c) Straight line
d) Exponential
Answer: c -
Correct x–t graph for negative acceleration:
a) Graph (a)
b) Graph (b)
c) Graph (c)
d) Graph (d)
Answer: a -
Two buses 60 ft and 40 ft long, speeds 15 ft/s and 10 ft/s opposite. Time to pass:
a) 5√4 s
b) 4 s
c) 8 s
d) 20 s
Answer: b -
Car stops in 10 s over 200 m. Initial speed:
a) 25 m/s
b) 50 m/s
c) 75 m/s
d) 40 m/s
Answer: d -
From X–t graph, average speed is:
a) 0.4 m/s
b) 1.0 m/s
c) 0.8 m/s
d) 0.6 m/s
Answer: c -
Person reaches flyover in 5 s, crosses it in 50 s. Length = 1000 m. Velocity:
a) 83.1 km/h
b) 80 km/h
c) 75.4 km/h
d) 85.2 km/h
Answer: b -
Truck + sand mass = 1600 kg, velocity = 15 m/s. Sand falls at 24 kg/min. Force required:
a) 6 N
b) 1.6 N
c) 40 N
d) 4 N
Answer: a -
Rain falls vertically. Car at 40 km/h sees 30° streaks. Rain velocity relative to ground:
a) 40√3 km/h
b) 40/√3 km/h
c) 80 km/h
d) 80/√3 km/h
Answer: c
Conclusion
Mastering motion in one dimension questions is essential for building confidence in kinematics and solving more advanced physics problems. These Motion in One Dimension Questions provide a balanced mix of conceptual, graphical, and numerical insights that strengthen problem-solving skills for NEET, JEE, CUET, and board-level physics. Regular practice with such MCQs helps students recognize patterns, interpret graphs accurately, and apply kinematic equations with precision. These Motion in One Dimension Questions will strengthen your basics and help you score high.With these Mtion in One Dimension Questions,students can refine their understanding and overcome learning gaps.