KINEMATICS: MCQ ON VECTOR PRODUCT

        

Q1 The angle between two equal vector’s is

  • a) `90^{0}`
  • b) `0^{0}`
  • c) `40^{0}`
  • d) `180^{0}`

  • (b) `0^{0}`

Q2  A force of 4 newton makes an angle 30 with X-axis. Find X and Y component of the force.

  • a) 4/3 N,4N 
  • b) 5/3N,5N
  • c) `2\sqrt{3N}`
  •  d) d)3N,2N

  • `2\sqrt{3N}`

Q3  Dot Product of two perpendicular vectors is:

  • ( a) 1 
  • (b) 0
  • (c) 90 
  • (d) 

  • (b) 0

Q4 The vectors A and B are such that their sum is equal to their difference. The angle between these two vectors will be 

  • a) `90^{0}`
  • b) `0^{0}`
  • c) `40^{0}`
  • d) `180^{0}`

  • a) `90^{0}`

Q5  Can a vector vary with time (T/F)

  • a) True
  • b) False 

  • a) True

Q6 The magnitude of vector is always a vector (T/F)

  • a) True
  • b) False

  • b) False

Q7  Dot Product of two Parallel Vectors A & B is

  • a) AB
  • b) 0
  • c) 1
  • d) -AB


  • a) AB

Q8 The rain falling vertically downward with the velocity of 3km/hr. A person moves on a straight road with the velocity of 4 km/hr then the relative velocity of rain w.r.t. person is

  • a) 1 km/hr
  • b) 5 km/hr
  • c) 4 km/hr
  • d) 3km/hr

  • b) 5 km/hr 

Q9.  Dot product of  unit vector i and unit vector j is 

  • a) 0
  • b) 1
  • c) 90
  • d) -1

  • a) 0

Q10 Dot Product of Force And Displacement Vectors is

  • (a) Work 
  • (b) Power 
  • (c) Acceleration 
  • (d) Velocity

  • (a) Work

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