The spheres of masses 5.0kg and 10.0kg are 0.3mm apart. Calculate the force of attraction between them.
According to Newton’s law of universal gravitation,
Now for the right answer to the above question:
- Option A is incorrect.
- Option B is correct.
- C is incorrect.
- D is not the correct answer.
You may please note these/this:
- Always remember to do all calculations in fundamental units of kg, m, N and s.
- Any unit not in this fundamental form should be converted, for instance the distance of separation was given in ‘mm’, we would have to convert this to ‘m’ by multiplying with 10 to the power of -3.
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/ culled from 2017 JAMB-UTME physics question 11 /