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9th Grade > Physics

KINEMATICS PHYSICS MCQs

Total Questions : 99 | Page 9 of 10 pages
Question 81. Gravitational acceleration is denoted by
  1.    a
  2.    g
  3.    r
  4.    G
 Discuss Question
Answer: Option B. -> g
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 82. In terms of velocity, the symbol vi is used for
  1.    initial velocity
  2.    negative velocity
  3.    total velocity
  4.    final velocity
 Discuss Question
Answer: Option A. -> initial velocity
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 83. A passenger John is sitting in a moving car, so with respect to other passengers he is at
  1.    rest
  2.    motion
  3.    displacement
  4.    position
 Discuss Question
Answer: Option A. -> rest
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 84. If a car is moving at a velocity of 30 ms−-1 then slows down uniformly to 20ms−1 in 6s. Its retardation will be
  1.    5 ms−2
  2.    2.33 ms−2
  3.    1.67 ms−2
  4.    4 ms−2
 Discuss Question
Answer: Option C. -> 1.67 ms−2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 85. The rate of change of velocity of a body is called its
  1.    displacement
  2.    acceleration
  3.    speed
  4.    distance
 Discuss Question
Answer: Option B. -> acceleration
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 86. The velocity of cyclist when he completes half round of a circular track of radius 318 m in 1.5 min is
  1.    10 ms-1
  2.    8 ms-1
  3.    7.07 ms-1
  4.    9 ms-1
 Discuss Question
Answer: Option C. -> 7.07 ms-1
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 87. Straight line motion of a body is known as
  1.    circular motion
  2.    linear motion
  3.    random motion
  4.    vibratory motion
 Discuss Question
Answer: Option B. -> linear motion
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 88. The third equation of motion can be represented as
  1.    Vf = Vi + at
  2.    2aS = V2f - V2i
  3.    2aS = Vf - Vi
  4.    none of above
 Discuss Question
Answer: Option B. -> 2aS = V2f - V2i
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 89. Alex is walking at the rate of 2km/h towards east, it is an example of
  1.    vector
  2.    scalar
  3.    length
  4.    energy
 Discuss Question
Answer: Option A. -> vector
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 90. The value of gravitational acceleration is approximately
  1.    15 ms−2
  2.    25 ms−2
  3.    10 ms−2
  4.    5 ms−2
 Discuss Question
Answer: Option C. -> 10 ms−2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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