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Two spheres of masses 5.0 kg and 10.0 kg are 0.3 m apart. Calculate the...

Physics
JAMB 2007

Two spheres of masses 5.0 kg and 10.0 kg are 0.3 m apart. Calculate the force of attraction between them?
[G = 6.67 X 10-11 Nm2 Kg\(^{-2}\)]

  • A. 3.50 x 10-10N
  • B. 3.71 x 10-8 N
  • C. 3.57 x 10-2N
  • D. 4.00 x 102N
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Correct Answer: Option B
Explanation

The force of attraction between the two spheres is given by F (GM1 M2)/r2 = (6.67X 10-11 X5X10)/(0.3)2
= 3.71 X 10-8N.

There is an explanation video available below.

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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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