Options:
A.
B.
C.
D.
Sign in to view the correct answer and detailed explanation.
Study with fewer interruptions on Android
Use Ulearngo on a verified device for smoother past-question study.
Ulearngo is an independent study app. It is not affiliated with, endorsed by, or representing Joint Admissions and Matriculation Board (JAMB). Always confirm official exam, admission, registration, syllabus, timetable, and result information from JAMB official website.
Earlier discussion
1 older comment kept for context.
Oluwaseun Adeyemi
Taking moment at the fulcrum.
Clockwise moment = 70 (100 - x)
Anticlockwise moment = 50x
By the principle of moment
70(100 - x) = 50x
7000 - 70x = 50x
7000 = 50x + 70x
7000 = 120x
x = 7000/120 = 58.33cm
The centre of gravity of the system is 58.33cm from the 50g but 41.67cm from the 70g mass.