Refer to JEE Physics Motion In A Straight Line MCQs Set A provided below available for download in Pdf. The MCQ Questions for Full Syllabus Physics with answers are aligned as per the latest syllabus and exam pattern suggested by JEE (Main), NCERT and KVS. Multiple Choice Questions for Motion In A Straight Line are an important part of exams for Full Syllabus Physics and if practiced properly can help you to improve your understanding and get higher marks. Refer to more Chapter-wise MCQs for JEE (Main) Full Syllabus Physics and also download more latest study material for all subjects
MCQ for Full Syllabus Physics Motion In A Straight Line
Full Syllabus Physics students should refer to the following multiple-choice questions with answers for Motion In A Straight Line in Full Syllabus.
Motion In A Straight Line MCQ Questions Full Syllabus Physics with Answers
Question: A body in one dimensional motion has zero speed at an instant. At that instant, it must have
- a) Zero velocity
- b) Non-zero velocity
- c) Zero acceleration
- d) Non-zero acceleration
Answer: Zero velocity
Question:
- a)
- b)
- c) 0
- d) None of this
Answer:
Question: Consider the motion of the tip of the second hand of a clock. In one minute (R be the length of second hand), its
- a) Displacement is zero
- b) Distance covered is zero
- c) Distance covered is 2R
- d) None of this
Answer: Displacement is zero
Question: The position of a body moving along x-axis at time t is given by x = (t2 – 4t + 6) m. The distance travelled by body in time interval t = 0 to t = 3 s is
- a) 5 m
- b) 7 m
- c) 4 m
- d) 3 m
Answer: 5 m
Question: If a particle is moving along straight line with increasing speed, then
- a) Its acceleration may be decreasing
- b) Its acceleration is negative
- c) Its acceleration is positive
- d) All of these
Answer: Its acceleration may be decreasing
Question: At any instant, the velocity and acceleration of a particle moving along a straight line are v and a. The speed of the particle is increasing if
- a) v > 0, a > 0
- b) v < 0, a > 0
- c) v > 0, a < 0
- d) v > 0, a = 0
Answer: v > 0, a > 0
Question: A particle moves along x-axis with speed 6 m/s for the first half distance of a journey and the second half distance with a speed 3 m/s. The average speed in the total journey is
- a) 4 m/s
- b) 2 m/s
- c) 4.5 m/s
- d) 5 m/s
Answer: 4 m/s
Question: If magnitude of average speed and average velocity over a time interval are same, then
- a) The particle must move in a straight line without turning back
- b) The particle must be at rest
- c) The particle must move with non-zero acceleration
- d) The particle must move with zero acceleration
Answer: The particle must move in a straight line without turning back
Question: If v is the velocity of a body moving along x-axis, then acceleration of body is
- a)
- b)
- c)
- d) None of this
Answer:
Question: If a body is moving with constant speed, then its acceleration
- a) May be variable
- b) Must be zero
- c) May be uniform
- d) All of these
Answer: May be variable
Question: When the velocity of body is variable, then
- a) All of these
- b) Its acceleration may be constant
- c) Its speed may be constant
- d) Its average acceleration may be constant
Answer: All of these
Question: An object is moving with variable speed, then
- a) Its velocity must be variable
- b) Its velocity may be constant
- c) Its velocity may be zero
- d) Its acceleration may be zero
Answer: Its velocity must be variable
Question: The position of a particle moving along x-axis is given by x = 10t – 2t2. Then the time (t) at which it will momently come to rest is
- a) 2.5 s
- b) 5 s
- c) 10 s
- d) 0
Answer: 2.5 s
Question: A car moves with speed 60 km/h for 1 hour in east direction and with same speed for 30 min in south direction. The displacement of car from initial position is
- a)
- b)
- c) Both
- d) None of this
Answer:
Question:
- a)
- b)
- c)
- d) None of this
Answer:
Question:
- a) The particle moves with constant acceleration
- b)
- c) Both
- d) None of this
Answer: The particle moves with constant acceleration
Question:
- a)
- b)
- c)
- d) None of this
Answer:
Question: The two ends of a train moving with constant acceleration pass a certain point with velocities u and 3u. The velocity with which the middle point of the train passes the same point is
- a)
- b)
- c)
- d) None of this
Answer:
Question:
- a)
- b)
- c)
- d) None of this
Answer:
Question: A particle starts moving with acceleration 2 m/s2. Distance travelled by it in 5th half second is
- a) 2.25 m
- b) 1.25 m
- c) 6.25 m
- d) 30.25 m
Answer: 2.25 m
More Questions..................................
Question: A train starts from rest from a station with acceleration 0.2 m/s2 on a straight track and then comes to rest after attaining maximum speed on another station due to retardation 0.4 m/s2. If total time spent is half an hour, then distance between two stations is [Neglect length of train]
- a) 216 km
- b) 512 km
- c) 728 km
- d) 1296 km
Answer: 216 km
Question:
- a)
- b)
- c)
- d) a = Ax
Answer:
Question: A particle moves in a straight line and its position x at time t is given by x2 = 2+ t. Its acceleration is given by
- a)
- b)
- c)
- d)
Answer:
Question: A body is projected vertically upward direction from the surface of earth. If upward direction is taken as positive, then acceleration of body during its upward and downward journey are respectively
- a) Negative, negative
- b) Positive, positive
- c) Negative, positive
- d) Positive, negative
Answer: Negative, negative
Question: A particle start moving from rest state along a straight line under the action of a constant force and travel distance x in first 5 seconds. The distance travelled by it in next five seconds will be
- a) 3 x
- b) 4 x
- c) 2 x
- d) x
Answer: 3 x
Question: A body is projected vertically upward with speed 40 m/s. The distance travelled by body in the last second of upward journey is [take g = 9.8 m/s2 and neglect effect of air resistance
- a) 4.9 m
- b) 9.8 m
- c) 12.4 m
- d) 19.6 m
Answer: 4.9 m
Question:
- a)
- b)
- c) Both
- d) None of this
Answer:
Question: A body is projected vertically upward with speed 10 m/s and other at same time with same speed in downward direction from the top of a tower. The magnitude of acceleration of first body w.r.t. second is {take g = 10 m/ s2}
- a) Zero
- b) 10 m/s2
- c) 5 m/s2
- d) 20 m/s2
Answer: Zero
Question: The position of a particle moving along x-axis given by x = (–2t3 + 3t2 +5)m. The acceleration of particle at the instant its velocity becomes zero is
- a) –6 m/s2
- b) Zero
- c) –12 m/s2
- d) 12 m/s2
Answer: –6 m/s2
Question: A car travelling at a speed of 30 km/h is brought to rest in a distance of 8 m by applying brakes. If the same car is moving at a speed of 60 km/h then it can be brought to rest with same brakes in
- a) 32 m
- b) 64 m
- c) 16 m
- d) 4 m
Answer: 32 m
Question: A particle is thrown with any velocity vertically upward, the distance travelled by the particle in first second of its decent is
- a)
- b)
- c) g
- d) Cannot be calculated
Answer:
Question: A body is thrown vertically upwards and takes 5 seconds to reach maximum height. The distance travelled by the body will be same in
- a) 1st and 10th second
- b) 2nd and 8th second
- c) 4th and 6th second
- d) All of these
Answer: 1st and 10th second
Question: A ball is dropped from a bridge of 122.5 metre above a river. After the ball has been falling for two seconds, a second ball is thrown straight down after it. Initial velocity of second ball so that both hit the water at the same time is
- a) 26.1 m/s
- b) 9.8 m/s
- c) 55.5 m/s
- d) 49 m/s
Answer: 26.1 m/s
Question: A balloon starts rising from ground from rest with an upward acceleration 2 m/s2. Just after 1 s, a stone is dropped from it. The time taken by stone to strike the ground is nearly
- a) 0.7 s
- b) 1 s
- c) 1.4 s
- d) 0.3 s
Answer: 0.7 s
Question: A boy throws a ball into air after 2 second. The next ball is thrown when the velocity of first ball is zero. How high do the ball rise above his hand? [Take g = 9.8 m/s2]
- a) 19.6 m
- b) 29.4 m
- c) 9.8 m
- d) 4.9 m
Answer: 19.6 m
Question: A ball projected from ground vertically upward is at same height at time t1 and t2. The speed of projection of ball is [Neglect the effect of air resistance]
- a)
- b)
- c) Both
- d) None of this
Answer:
Question: For a body moving with uniform acceleration along straight line, the variation of its velocity (v) with position (x) is best represented by
- a)
- b)
- c) Both
- d) None of this
Answer:
Question: The position-time graph for a particle moving along a straight line is shown in figure. The total distance travelled by it in time t = 0 to t = 10 s is
- a) 20 m
- b) All of these
- c) 80 m
- d) 10 m
Answer: 20 m
Question: The position-time graph for a body moving along a straight line between O and A is shown in figure. During its motion between O and A, how many times body comes to rest?
- a) 2 times
- b) 3 times
- c) 1 time
- d) Zero
Answer: 2 times
Question: Which one of the following graph for a body moving along a straight line is possible?
- a)
- b)
- c) Both
- d) None of this
Answer:
Question: A car moving with speed v on a straight road can be stopped with in distance d on applying brakes. If same car is moving with speed 3v and brakes provide half retardation, then car will stop after travelling distance
- a) 9 d
- b) 18 d
- c) 3 d
- d) 6 d
Answer: 9 d
Question: The initial velocity of a particle moving along x-axis is u (at t = 0 and x = 0) and its acceleration a is given by a = kx. Which of the following equation is correct between its velocity (v) and position (x)?
- a)
- b)
- c)
- d)
Answer:
Question:
- a)
- b)
- c)
- d) None of this
Answer:
Question: If average velocity of particle moving on a straight line is zero in a time interval, then
- a) Velocity of particle must be zero at an instant
- b) Acceleration of particle may be zero
- c) Velocity of particle may be never zero in the interval
- d) Average speed of particle may be zero in the interval
Answer: Velocity of particle must be zero at an instant
Question:
- a)
- b)
- c)
- d) None of this
Answer:
Question:
- a)
- b)
- c)
- d) All of these
Answer:
Question: The velocity (v) of a particle moving along x-axis varies with its position x as shown in figure. The acceleration (a) of particle varies with position (x) as
- a) a = 4x – 8
- b) 2a = 3x + 5
- c) a = 2x2 + 4
- d) a2 = x + 3
Answer: a = 4x – 8
Question: A ball is dropped from an elevator moving upward with acceleration ‘a’ by a boy standing in it. The acceleration of ball with respect to [Take upward direction positive]
- a) Both
- b) Ground is – g
- c) Boy is – (g + a)
- d) None of these
Answer: Both
Question: The velocity (v)-time (t) graph for a particle moving along x-axis is shown in the figure. The corresponding position (x)- time (t) is best represented by
- a)
- b)
- c)
- d) None of this
Answer:
Question: The speed-time graph for a body moving along a straight line is shown in figure. The average acceleration of body may be
- a) All of these
- b) – 4 m/s2
- c) 4 m/s2
- d) Zero
Answer: All of these
Question: The acceleration (a)-time (t) graph for a particle moving along a straight starting from rest is shown in figure. Which of the following graph is the best representation of variation of its velocity (v) with time (t)?
- a)
- b)
- c)
- d)
Answer:
Question: An object thrown vertically up from the ground passes the height 5 m twice in an interval of 10 s. What is its time of flight?
- a)
- b)
- c)
- d) All of these
Answer:
Question: A ball dropped from the top of tower falls first half height of tower in 10 s. The total time spend by ball in air is [Take g = 10 m/s2]
- a) 14.14 s
- b) 15.25 s
- c) 12.36 s
- d) 17.36 s
Answer: 14.14 s
Question: A ball is projected vertically upwards. Its speed at half of maximum height is 20 m/s. The maximum height attained by it is [Take g = 10 ms2]
- a) 40 m
- b) 25 m
- c) 15 m
- d) 35 m
Answer: 40 m
Question: A particle starts with initial speed u and retardation a to come to rest in time T. The time taken to cover first half of the total path travelled is
- a)
- b)
- c)
- d) All of these
Answer:
Question: Which of the following speed-time (v-t) graphs is physically not possible?
- a) All of these
- b)
- c)
- d)
Answer: All of these
Question: A particle travels half of the distance of a straight journey with a speed 6 m/s. The remaining part of the distance is covered with speed 2 m/s for half of the time of remaining journey and with speed 4 m/s for the other half of time. The average speed of the particle is
- a) 4 m/s
- b) 3/4 m/s
- c) 5 m/s
- d) 3 m/s
Answer: 4 m/s
Question: A body thrown vertically up with initial velocity 52 m/s from the ground passes twice a point at h height above at an interval of 10 s. The height h is (g = 10 m/s2)
- a) 10.2 m
- b) 11.2 m
- c) 15 m
- d) 12 m
Answer: 10.2 m
Question: The acceleration-time graph for a particle moving along x-axis is shown in figure. If the initial velocity of particle is –5 m/s, the velocity at t = 8 s is
- a) +15 m/s
- b) +20 m/s
- c) –15 m/s
- d) –20 m/s
Answer: +15 m/s
Question: Two balls are projected upward simultaneously with speeds 40 m/s and 60 m/s. Relative position (x) of second ball w.r.t. first ball at time t = 5 s is [Neglect air resistance].
- a) 100 m
- b) 120 m
- c) 80 m
- d) All of these
Answer: 100 m
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MCQs for Motion In A Straight Line Physics Full Syllabus
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