Motion in a Plane Important Questions for NEET
: Motion in a Plane is an important topic in physics that deals with the movement of objects in two dimensions. This topic is crucial for the
NEET exam
as it helps students understand how to solve problems involving objects moving in various directions, such as projectiles, circular motion, and more. A good understanding of this chapter is necessary for performing well in NEET.
Motion in a Plane Important Questions for NEET
In
Motion in a Plane
, you learn how to analyze the motion of objects in two-dimensional space. This chapter includes topics such as projectile motion, relative velocity, and circular motion. It is important for solving problems that involve forces acting in different directions and calculating the resultant motions of objects. Many questions from this chapter appear in NEET, and practicing them will help you gain confidence.
What is Motion in a Plane?
Motion in a plane refers to the movement of an object along two perpendicular axes (typically horizontal and vertical). In this type of motion, both speed and direction of motion change, and it requires analyzing both components separately. Some common examples are the motion of a car turning around a curve or a ball being thrown in the air and following a curved path.
Practice Questions for Motion in a Plane for NEET
Here are some practice questions for you to solve. These questions are part of the Prachand Batch NEET 2025 and will help you prepare well for the NEET exam.
Q1 From a certain height, two bodies are projected horizontally with velocities 10 m/s and 20 m/s. They hit the ground in
t1
t
1
and
t2
t
2
seconds. Then:
-
t1=t2
t
1
=
t
2
-
t1=2t2
t
1
=
2
t
2
-
t2=2t1
t
2
=
2
t
1
-
t1=2t2
t
1
=
2
t
2
Q2
A river is flowing at the rate of 6 km/h. A swimmer swims across the river with a velocity of 9 km/h with respect to water. The resultant velocity of the man will be (in km/h):
-
117
117
-
340
340
-
17
17
-
340
3
40
Q3 If a body is projected at an angle
θ
θ
to the horizontal, then:
-
Its velocity is always perpendicular to its acceleration
-
Its velocity becomes zero at its maximum height
-
Its velocity makes zero angle with the horizontal at its maximum height
-
The direction of velocity coincides with the direction of acceleration when it hits the ground
Q4
A particle is projected at an angle
θ
θ
with horizontal with speed
u
u
. The variation of its horizontal range with
θ
θ
is best represented by:
Q5
The speed of a projectile at its maximum height is
52
2
5
times its initial speed
u
u
of projection. Its range on the horizontal plane is:
-
3u22g
2
g
3
u
2
-
u23g
3
g
u
2
-
3u24g
4
g
3
u
2
-
3u29g
9
g
3
u
2
Q6
The coordinates of a particle m
oving in the
x−y
x
−
y
plane at any instant of time
t
t
are
x=4t2,y=3t2
x
=
4
t
2
,
y
=
3
t
2
. The speed of the particle at that instant is:
-
10t
10
t
-
5t
5
t
-
3t
3
t
-
2t
2
t
Q7
A particle is projected with a velocity
v
v
such that its range on the horizontal plane is twice the greatest height attained by it. The range of the projectile is (where
g
g
is acceleration due to gravity):
-
4v25g
5
g
4
v
2
-
4g5v2
5
v
2
4
g
-
v2g
g
v
2
-
4v25g
5
g
4
v
2
Q8 A person swims in a river aiming to reach exactly on the opposite points on the bank of a river. His speed of swimming is 0.5 m/s at an angle of
120∘
12
0
∘
with the direction of flow of water. The speed of water is:
-
1.0 m/s
-
0.5 m/s
-
0.25 m/s
-
0.43 m/s
Q9 A ball is thrown from a point with a speed
v0
v
0
at an elevation angle
θ
θ
. From the same point and at the same instant, a person starts running with a constant speed
v02
2
v
0
to catch the ball. Will the person be able to catch the ball? If yes, what should be the angle of projection
θ
θ
?
-
No
-
Yes,
30∘
3
0
∘
-
Yes,
60∘
6
0
∘
-
Yes,
45∘
4
5
∘
Q10 Two projectiles A and B are projected with the same speed at an angle
30∘
3
0
∘
and
60∘
6
0
∘
to the horizontal, then which of the following is not valid (where
T
T
is total time of flight,
H
H
is maximum height and
R
R
is horizontal range):
-
HA=3HB
H
A
=
3
H
B
-
TB=3TA
T
B
=
3
T
A
-
RA=RB
R
A
=
R
B
-
HB=3HA
H
B
=
3
H
A
Motion in a Plane Important Questions for NEET PDF
Physics Wallah (PW) offers a comprehensive
PDF for Motion in a Plane Important Questions
, which includes essential practice questions and their solutions. You can download the full PDF as part of the
Prachand Batch NEET 2025
program to enhance your preparation.
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