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General Knowledge > General Science

WAVES AND MOTIONS MCQs

Laws Of Motion, Second Law Motion, Uniform Circular Motion, First Law Of Motion, Third Law Motion, Horizontal Projectile Motion, Oscillations And Waves, Radio Wave Propagation, Wave Optics

Total Questions : 131 | Page 7 of 14 pages
Question 61. Newton's First Law says that "Objects in motion stay in motion and objects at rest stay at rest unless
  1.    acted on by an unbalanced force.
  2.    gravity happens.
  3.    nothing else happens.
  4.    acted on by a balanced fore.
 Discuss Question
Answer: Option A. -> acted on by an unbalanced force.
Question 62. According to Newton’s first law of motion, an object at rest that is not acted on by an unbalanced force will
  1.    remain in motion.
  2.    eventually come to a stop.
  3.    change its momentum.
  4.    remain at rest
 Discuss Question
Answer: Option D. -> remain at rest
Question 63. As a projectile moves through the air, the motion on y axis is best described as ____,
  1.    free fall acceleration
  2.    uniform motion
  3.    varying speeds
  4.    constant velocity
 Discuss Question
Answer: Option A. -> free fall acceleration
Question 64. Which transformation transforms the graph of f(x) = x2 to the graph of g(x) = (x + 4)2?
  1.    a vertical translation 4 units up
  2.    a vertical translation 4 units down
  3.    a horizontal translation 4 units to the left
  4.    a horizontal translation 4 units to the right
 Discuss Question
Answer: Option C. -> a horizontal translation 4 units to the left
Question 65. How can you describe the motion on the horizontal axis if you ignore air resistance?
  1.    acceleration due to gravity
  2.    constant velocity
  3.    varying acceleration
  4.    motionless
 Discuss Question
Answer: Option B. -> constant velocity
Question 66. Which equation describes the transformation of shifting f(x)=x2 two units right?
  1.    x2 + 2
  2.    x2 - 2
  3.    (x + 2)2
  4.    (x - 2)2
 Discuss Question
Answer: Option D. -> (x - 2)2
Question 67. As a ball rolls across a table it has a constant horizontal velocity
  1.    Stays the same
  2.    Accelerates at -9.8 m/s2
  3.    Accelerates at an unknown value
  4.    Becomes zero
 Discuss Question
Answer: Option A. -> Stays the same
Question 68. Describe the transformations of f(x) when compared to the parent function
  1.    horizontal shift left 7 units
  2.    horizontal shift right 7 units
  3.    vertical shift up 7 units
  4.    vertical shift down 7 units
 Discuss Question
Answer: Option A. -> horizontal shift left 7 units
Question 69. Which of the following would NOT be considered a projectile? 
  1.    a cannonball thrown straight up
  2.    a cannon ball rolling down a slope
  3.    a cannonball rolling off a table
  4.    a cannonball thrown in the air
 Discuss Question
Answer: Option B. -> a cannon ball rolling down a slope
Question 70. In the absence of air resistance, the angle at which a thrown ball will do the farthest is
  1.    15o
  2.    30o
  3.    45o
  4.    60o
 Discuss Question
Answer: Option C. -> 45o

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