Two spheres of masses 100kg and 90kg respectively have their centres separated by a distance...

WAEC 2002

Two spheres of masses 100kg and 90kg respectively have their centres separated by a distance of 1.0m. Calculate the magnitude of the force of attraction between them. [G = 6.70 x 10^-11Nm^-2kg^-2]

A. 6.70 x 10^-11N
B. 6.70 x 10^-10N
C. 6.03 x 10^-11N
D. 6.03 x 10^-7N

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

WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Correct Answer: Option D

Explanation

F = \(\frac{Gm_1m_2}{r^2} = 6.7 \times 10^{11} \times \frac{100 \times 90}{1^2} = 6.03 \times 10^{-7}N\)

Previous Next

Go back to Phy classroom

Report an Error Ask A Question Download App

Your School's Whatsapp Group - Join Us now

Contributions ({{ comment_count }})

Please wait...

{{ settings.no_comment_msg ? settings.no_comment_msg : 'There are no comments' }}

Quick Questions

what is the cutt off mark for osun state college of nursing science in Asubiaro osun? Answer this

1 Answers · Medical Science · 9 hours ago
How can I get better at wave length 😭? Answer this

2 Answers · Physics · 4 days ago
What can i study with 155 score in science course? Answer this

4 Answers · Biology · 4 days ago

Two spheres of masses 100kg and 90kg respectively have their centres separated by a distance...

Correct Answer: Option D

Explanation

Contributions ({{ comment_count }})

Please wait...

Modal title

Report

Block User

{{ feedback_modal_data.title }}

Quick Questions

Post your Contribution

Sign In