Straight Line Motion MCQ

Test your knowledge with important Straight Line Motion MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Straight Line Motion MCQs at Bissoy

• What happen to the instantaneous velocity in a non-uniformly accelerated motion?
  ক

  It increases

  খ

  It decreases

  গ

  It varies as the acceleration

  ঘ

  It remains constant
• A car is moving in a spiral starting from the origin with uniform angular velocity. What can be said about the instantaneous velocity?
  ক

  It increases with time

  খ

  It decreases with time

  গ

  It remains constant

  ঘ

  It does not depend on time
• A ball is thrown up in the sky, at what position will the instantaneous speed be minimum?
  ক

  Initial position

  খ

  Final position

  গ

  Halfway through the whole trajectory

  ঘ

  After covering one fourth of the whole trajectory
• The trajectory of an object is defined as x = (t-4)2, what is the velocity at t = 5?
  ক

  2

  খ

  5

  গ

  1

  ঘ

  4
• Which of the following is the correct formula for instantaneous velocity?
  ক

  v = dx/dt

  খ

  v = x/t

  গ

  v = xt

  ঘ

  v = t/x
• Which of the following can be used to describe how fast an object is moving along with the direction of motion at a given instant of time?
  ক

  Instantaneous velocity

  খ

  Instantaneous speed

  গ

  Average velocity

  ঘ

  Average speed
• The changes in displacement in three consecutive instances are 5 m, 4 m, 11 m, the total time taken is 5 s. What is the average velocity in m/s?
  ক

  1

  খ

  4

  গ

  7

  ঘ

  6
• A car is moving around a tree in a circular path. What can be said about the average velocity?
  ক

  It is non zero

  খ

  It is zero

  গ

  It is greater than zero

  ঘ

  It is less than zero
• A ball is thrown up in the sky. After reaching a height, the ball falls back. What can be said about the average velocity?
  ক

  It is non zero

  খ

  It is zero

  গ

  It is greater than zero

  ঘ

  It is less than zero
• What happens to the average velocity when a body falls under gravity with terminal velocity?
  ক

  It increases

  খ

  It decreases

  গ

  It remains constant

  ঘ

  It changes exponentially
• In a uniformly accelerated motion, the speed varies from 0 to 20 m/s in 4 s. What is the average speed during the motion?
  ক

  10 m/s

  খ

  20 m/s

  গ

  0 m/s

  ঘ

  15 m/s
• Average speed of a car between points A and B is 20 m/s, between B and C is 15 m/s, between C and D is 10 m/s. What is the average speed between A and D, if the time taken in the mentioned sections is 20s, 10s and 5s respectively?
  ক

  17.14 m/s

  খ

  15 m/s

  গ

  10 m/s

  ঘ

  45 m/s
• A truck requires 3 Hrs to complete a journey of 150 km, what is the average speed?
  ক

  50 km/hr

  খ

  25 km/hr

  গ

  15 km/hr

  ঘ

  10 km/hr
• Which of the following is the correct formula for average velocity?
  ক

  v = dx/dt

  খ

  v = x/t

  গ

  v = xt

  ঘ

  v = t/x
• What will be the velocity v/s time graph of a ball falling from a height before hitting the ground look like?
  ক

  A straight line with positive slope

  খ

  A straight line with negative slope

  গ

  A straight line with zero slope

  ঘ

  A parabola
• Path length does not depend on ____
  ক

  Initial point

  খ

  Final point

  গ

  Path taken

  ঘ

  Coordinate system
• Which of the following is the correct formula for finding distance (d) between two points (x1, y1) and (x2, y2)?
  ক

  d2 = (x2-x1)2 + (y2-y1)2

  খ

  d4 = (x2-x1)2 + (y2-y1)2
• In which coordinate system do we use distance from origin and to angles to define the position of a point in space?
  ক

  Cartesian

  খ

  Cylindrical

  গ

  Spherical

  ঘ

  2-D Cartesian
• How many variables are required to define the position of a body in space?
  ক

  3

  খ

  2

  গ

  1

  ঘ

  0
• Distance does not depend on _______
  ক

  Initial point

  খ

  Final point

  গ

  Path taken

  ঘ

  Speed
• Displacement between two points is ___
  ক

  The shortest path

  খ

  The longest path

  গ

  Equal to distance

  ঘ

  Greater than distance
• When person moves in the coordinate system from A (0, 0) to B (5, 10), to C (8, 6), what is the displacement covered?
  ক

  10 units

  খ

  5 units

  গ

  7 units

  ঘ

  15 units
• What is the path length of the following path? A (0, 0) to B (5, 0) to C (5, 5) to D (0, 5)
  ক

  20 units

  খ

  25 units

  গ

  15 units

  ঘ

  10 units
• A person is standing at -2 location on the number line. He runs to and fro from -2 to +5 location 5 times. How much distance has he covered if he comes back to -2 location at the end?
  ক

  35 units

  খ

  7 units

  গ

  30 units

  ঘ

  15 units
• Which one of the following relations is true?
  ক

  Distance > Displacement

  খ

  Distance < Displacement

  গ

  Distance >= Displacement

  ঘ

  Distance <= Displacement
• The displacement of a particle is given as function of time as x = t2 + 2t. How much displacement is covered in the first 5 seconds?
  ক

  5 units

  খ

  35 units

  গ

  40 units

  ঘ

  0 units