Equilibrium of Forces - Jamb Physics Past Questions and Answers

Question 51:

• JAMB 2018

A force of 5N acts at a point Y on a rod XYZ as shown in this diagram. If XYZ is 2m, what is the moment of the force about point X?

A. 0Nm
B. 3Nm
C. 7Nm
D. 10Nm

Question 52:

• JAMB 2018

For what values of F and θ will the forces shown in the diagram below be in equilibrium.

A. 60N and 60\(^o\)
B. 60N and 30\(^o\)
C. 20√3 N and 60\(^o\)
D. 20√3N and 30\(^o\)

Question 53:

• JAMB 2019

An object is acted upon by a system of parallel three causing the object to be in state equilibrium. Which of the following statement is not correct

A. The resultant of the parallel forces is zero
B. The algebraic sum of all the moments of the forces is zero
C. All the parallel forces must be equal in magnitude and direction
D. The sum of forces in one direction must be equal to the sum of forces in the opposite direction

Question 54:

• JAMB 2019

"Sum of all forces acting on a body is zero." This condition represents equilibrium'

A. First condition
B. Second condition
C. Third condition
D. Fourth condition

Question 55:

• JAMB 2019

Which of the following bodies, each with centre of gravity G, lying on a horizontal table, is/are in unstable equilibrium?

A. II only
B. III only
C. I & IV only
D. II & III only