Wednesday, 21 September 2022

KINEMATICS: MCQ ON MOTION IN A STRAIGHT LINE

 

  

Q1 The branch of mechanics which deals with the study of motion of objects by taking into account the cause of motion is

  • a. Statics 
  • b. Kinematics 
  • c. Dynamics 
  • d. None of these.

  • c. Dynamics 

Q2 A billiard ball moving over the billiard table is an example of motion in how many dimension?

  • a. One dimension motion 
  • b. Two dimension motion
  • c. Three dimension motion
  • d. None of the above.

  • b. Two dimension motion (if two out of three coordinates specifying the position of the object, then it is a Two dimension motion)

Q3  A particle is moving in a circular path of radius r. The displacement after half a circle would be

  • (a) Zero 
  • (b) πr 
  • (c) 2r 
  • (d) 2πr

  • (b) πr 

Q4 Which of the following can be zero when the particle is in motion for some time?

  • a) Displacement 
  • (b) Distance covered 
  • (c) Speed 
  • (d) None of the above.

  • (b) Distance covered 

Q5 Distance is a vector quantity.

  • (a) True
  • (b) False

  • (b) False


Q6 Earth revolving around sun is an example of motion in two dimension motion

  • (a) True
  • (b) False

  • (b) False

Q7  The branch of mechanics which deals with the study of motion of objects at rest is known as 

  • a. Statics 
  • b. Kinematics 
  • c. Dynamics 
  • d. None of these.


  • a. Statics 

Q8 Dimensional formula of speed is

  • (a) `M^{0}L^{1}T^{-1}`
  • (b) `M^{1}L^{2}T^{-1}`
  • (c)`M^{0}L^{2}T^{-1}`
  • (d)`M^{0}L^{1}T^{-2}`

  • (a) `M^{0}L^{1}T^{-1}`

Q9.  Which one of the following is the unit of velocity?

  • a) kilogram
  • b) meter
  • c) `ms^{-1}`
  • d) second

  • (c)  `ms^{-1}`

Q10 Speedometer of a motor vehicle indicates the instantaneous speed of a vehicle.

  • (a) True 
  • (b) False 

  • (a) True 

  

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