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GRAVITATION MCQs

Total Questions : 50 | Page 4 of 5 pages
Question 31. With the gain of altitude, the value of g
  1.    increases
  2.    remains same
  3.    decreases
  4.    all of above
 Discuss Question
Answer: Option C. -> decreases
Question 32. If an apple is taken to the mountain top then its weight is
  1.    decreased
  2.    increased
  3.    constant
  4.    infinite
 Discuss Question
Answer: Option A. -> decreased
Question 33. The distance between the Earth and the moon is tripled, what happens to the Fg between them?
  1.    1/3 bigger
  2.    3 times bigger
  3.    1/9 bigger
  4.    9 times bigger
 Discuss Question
Answer: Option C. -> 1/9 bigger
Question 34. The force with which everybody attracts every other body is called force of
  1.    friction
  2.    retarding
  3.    gravitation
  4.    acceleration
 Discuss Question
Answer: Option C. -> gravitation
Question 35. In the gravitational field of the Earth, the gravitational force per unit mass is called the Earth's
  1.    gravitational field weakness
  2.    gravitational field strength
  3.    zero gravitational field
  4.    altitude
 Discuss Question
Answer: Option B. -> gravitational field strength
Question 36. A stone is released from the top of a tower of height 19
  1.    384.16 m/ s
  2.    196 m/s
  3.    19.6 m/s
  4.    3841.4 m/s
 Discuss Question
Answer: Option C. -> 19.6 m/s
Question 37. If a body of mass ‘m’ at an altitude ‘h’, then the distance of the body from the center of the Earth will become
  1.    R + h
  2.    R - h
  3.    R × h
  4.    R ⁄ h
 Discuss Question
Answer: Option A. -> R + h
Question 38. What states that "every object in the universe attracts every other object"?
  1.    Law of Universal Gravitation
  2.    Newton's First Law of Motion
  3.    My mother
  4.    Inertia & gravity
 Discuss Question
Answer: Option A. -> Law of Universal Gravitation
Question 39. The amount of matter in an object is
  1.    mass
  2.    weight
  3.    inertia
  4.    gravity
 Discuss Question
Answer: Option A. -> mass
Question 40. Which of the following is Newton's Law on Gravitation?
  1.    F=Gm1m2/r
  2.    F = Gm1m2/r2
  3.    F = Gm1m2/2r
  4.    F = m1m2/2r
 Discuss Question
Answer: Option B. -> F = Gm1m2/r2

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