Equilibrium of Forces - Jamb Physics Past Questions and Answers

Question 46:

• JAMB 2014

One of the conditions necessary for an object to be in equilibrium when acted upon by a number of parallel forces is that the vector sum of the forces is

A. Average
B. Zero
C. Negative
D. Positive

Question 47:

• JAMB 2014

What happens when three coplanar non-parallel forces are in equilibrium?

A. Their lines of action are parallel.
B. They are represented in magnitude only
C. They are represented in direction only
D. Their lines of action meet at a point

Question 48:

• JAMB 2015

The resultant force of a couple is .........?

A. Infinity
B. Zero
C. One
D. Half

Question 49:

• JAMB 2016

A metre rule is pivoted at its mid-point with a vertical force of 10N hanging from the distance 30cm from the mid-point. At what distance must a 15N force hang to balance the ruler horizontally?

A. 30cm
B. 10cm
C. 20cm
D. 25m

Question 50:

• JAMB 2016

In the diagram above, the neutral point is at

A. R
B. X
C. S
D. P