Equilibrium of Forces - Jamb Physics Past Questions and Answers

Question 36:

• JAMB 2007

The unit of moment of a couple can be expressed in?

A. N m^-1
B. N m^-2
C. N m
D. N m²

Question 37:

• JAMB 2007

The unit of moment of a couple can be expressed in?

A. N m^-1
B. N m^-2
C. N m
D. N m²

Question 38:

• JAMB 2007

The figure above shows 4 forces 3N, 10N, 3√3N and 6N acting on a particle P. The resultant of he four forces is

A. 5N
B. 5√ 3N
C. 10N
D. 10√ 3N

Question 39:

• JAMB 2007

In the diagram above, a rod 50 cm long of uniform cross-section is suspended horizontally on a fulcrum, F, by the action of two forces. What is the weight of the rod?

A. 40N
B. 80N
C. 120N
D. 200N

Question 40:

• JAMB 2007

A particle of weight 120N is placed on a plane inclined at 30⁰ to the horizontal. If the plane has an efficiency of 60% to the floor what is the force required to push the weight uniformly up the plane?

A. 50N
B. 100N
C. 175N
D. 210N