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होम › भौतिकी › Gravitation

Gravitation — Physics Questions & Practice

93 Gravitation questions from Physics for competitive exams such as UPSC, Banking, SSC and Railway. Read the worked questions below, check every answer with an explanation, and track what you get wrong. का अभ्यास करें

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Gravitation पर अभ्यास प्रश्न — उत्तर सहित

Try each question first, then open the answer. Explanations are included.

1. Two objects of mass 50 kg and 1000 kg are separated by a distance of 10 m. What is the gravitational force of attraction between them? (F = Gm1m2/r^2, G = 6.674 x 10^-11 N.m^2/kg^2)

  1. A3337.0 x 10^-11 N
  2. B6674.0 x 10^-11 N
  3. C1668.5 x 10^-11 N
  4. D3342.0 x 10^-11 N
उत्तर दिखाएँ

उत्तर: A

F = Gm1m2/r^2 = (6.674x10^-11 x 50 x 1000)/10^2 = 3337.0 x 10^-11 N.

2. Two objects of mass 10 kg and 500 kg are separated by a distance of 2 m. What is the gravitational force of attraction between them? (F = Gm1m2/r^2, G = 6.674 x 10^-11 N.m^2/kg^2)

  1. A8342.5 x 10^-11 N
  2. B16685.0 x 10^-11 N
  3. C4171.25 x 10^-11 N
  4. D8347.5 x 10^-11 N
उत्तर दिखाएँ

उत्तर: A

F = Gm1m2/r^2 = (6.674x10^-11 x 10 x 500)/2^2 = 8342.5 x 10^-11 N.

3. Two objects of mass 50 kg and 100 kg are separated by a distance of 5 m. What is the gravitational force of attraction between them? (F = Gm1m2/r^2, G = 6.674 x 10^-11 N.m^2/kg^2)

  1. A1334.8 x 10^-11 N
  2. B2669.6 x 10^-11 N
  3. C667.4 x 10^-11 N
  4. D1339.8 x 10^-11 N
उत्तर दिखाएँ

उत्तर: A

F = Gm1m2/r^2 = (6.674x10^-11 x 50 x 100)/5^2 = 1334.8 x 10^-11 N.

4. Two objects of mass 10 kg and 10 kg are separated by a distance of 2 m. What is the gravitational force of attraction between them? (F = Gm1m2/r^2, G = 6.674 x 10^-11 N.m^2/kg^2)

  1. A166.85 x 10^-11 N
  2. B333.7 x 10^-11 N
  3. C83.425 x 10^-11 N
  4. D171.85 x 10^-11 N
उत्तर दिखाएँ

उत्तर: A

F = Gm1m2/r^2 = (6.674x10^-11 x 10 x 10)/2^2 = 166.85 x 10^-11 N.

5. Two objects of mass 1000 kg and 100 kg are separated by a distance of 2 m. What is the gravitational force of attraction between them? (F = Gm1m2/r^2, G = 6.674 x 10^-11 N.m^2/kg^2)

  1. A166850.0 x 10^-11 N
  2. B333700.0 x 10^-11 N
  3. C83425.0 x 10^-11 N
  4. D166855.0 x 10^-11 N
उत्तर दिखाएँ

उत्तर: A

F = Gm1m2/r^2 = (6.674x10^-11 x 1000 x 100)/2^2 = 166850.0 x 10^-11 N.

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