Motion in Straight Line MCQ Practice Test – NEET Physics (Free)

A stone falls freely under gravity. It covers distances h₁, h₂ and h₃ in the first 5 seconds, the next 5 seconds and the next 5 seconds respectively. The relation between h₁, h₂and h₃ is

h₂ = 3h₁ and h₃ = 3h₂
h₁ = h₂ = h₃
h₁ = 2h₂ = 3h₃

The position x of a particle with respect to time t along x-axis is given by x = 9t² – t³where x is in metres and t in seconds. What will be the position of this particle when it achieves maximum speed along the +x direction?

54 m
81m
24 m
32 m

A body starts from rest, what is the ratio of the distance travelled by the body during the 4^th and 3^rd second ?

Two bodies A (of mass 1 kg) and B (of mass 3 kg) are dropped from heights of 16 m and 25 m, respectively. The ratio of the time taken by them to reach the ground is

4/5
5/4
12/5
5/12

A bus travelling the first one-third distance at a speed of 10 km/h, the next one-third at 20 km/h and at last one-third at 60 km/h. The average speed of the bus is

9 km/h
16 km/h
18 km/h
48 km/h

A particle is thrown vertically upward. Its velocity at half of the height is 10 m/s, then the maximum height attained by it (g = 10 m/s²)

8 m
20 m
10 m
16 m

A particle moving along x-axis has acceleration f, at time t, given by

, where f₀ and T are constants. The particle at t = 0 has zero velocity. In the time interval between t = 0 and the instant when f = 0, the particles velocity (v_x) is

f₀T²
f₀T²
f₀T
f₀T

A car covers the first half of the distance between two places at 40 km/h and another half at 60 km/h. The average speed of the car is

40 km/h
48 km/h
50 km/h
60 km/h

The displacement-time graph of a moving particle is shown below. The instantaneous velocity of the particle is negative at the point

E
F
C
D

The motion of a particle along a straight line is described by equation x = 8 + 12t – t³where x is in metre and t in second. The retardation of the particle when its velocity becomes zero is

24 m s^–2
zero
6 m s^–2
12 m s^–2

A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 seconds for every circular lap. The average velocity and average speed for each circular lap respectively is

10 m/s, 0
0, 0
0, 10 m/s
10 m/s, 10 m/s

A particle of unit mass undergoes one-dimensional motion such that its velocity varies according to v(x) = bx^–2n, where b and n are constants and x is the position of the particle. The acceleration of the particle as a function of x, is given by

–b²x^–2n+1
–2nb²e^–4n+1
–2nb²x^–2n–1
–2nb²x^–4n–1

A rubber ball is dropped from a height of 5 m on a plane. On bouncing it rises to 1.8 m. The ball loses its velocity on bouncing by a factor of

A car moves from X to Y with a uniform speed v_u and returns to Y with a uniform speed v_d. The average speed for this round trip is

Which of the following curve does not represent motion in one dimension?

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