Two objects of masses 80kg and 50kg are separated by a distance of 0.2m. If...

WAEC 1991

Two objects of masses 80kg and 50kg are separated by a distance of 0.2m. If the gravitational constant is 6.6 x 10^-11Nm kg, calculate the gravitational attraction between them.

A. 4.9 x 10^-9N
B. 1.3 x 10^-6N
C. 6.6 x 10^-8N
D. 6.6 x 10^-6N
E. 2.6 x 10^-9N

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

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

Correct Answer: Option D

Explanation

F = \(\frac{Gm_1m_2}{r^2} = \frac{6.6 \times 10^{-11} \times 80 \times 50}{0.2 \times 0.2}\)

= 6.6 x 10^-6N

Previous Next

Go back to Phy classroom

Report an Error Ask A Question Download App

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

Contributions ({{ comment_count }})

Please wait...

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

Quick Questions

professor John is the leader of the ________ committee to review the new book? Answer this

1 Answers · English Language · 3 months ago
His contract was ---- because of irregularities in his contract You picked annulled over terminated and I want to know... Answer this

1 Answers · English Language · 2 months ago
whats is the difference between phrase and clause? Answer this

2 Answers · English Language · 3 days ago

Two objects of masses 80kg and 50kg are separated by a distance of 0.2m. If...

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