Equilibrium of Forces - Jamb Physics Past Questions and Answers

Question 26:

• JAMB 1997

A uniform light beam XZ is Hinged at X and kept in equilibrium by the forces T and F as shown in the diagram above. if XO = 20m and OY = 30cm, express T in terms of F

A. T =2√3/3
B. T= 2F
C. T = 5V3F/3
D. T = 5F

Question 27:

• JAMB 1998

A uniform meter rule weighing 0.5N is to be pivoted on a knife-edge at the 30cm-mark. where will a force of 2N be placed from the pivot to balance the meter rule?

A. 95cm
B. 25cm
C. 20cm
D. 5cm

Question 28:

• JAMB 1999

Two bodies have masses in the ratio 3:1. They experience forces which impart to them acceleration in the ratio 2:9 respectively. Find the ratio of forces the masses experienced.

A. 1 : 4
B. 2 : 1
C. 2 : 3
D. 2 : 5

Question 29:

• JAMB 1999

The figure above represents a frictionless pulley system in which a weight W is in equilibrium with a weight of 40N. Find the value of W

A. 13.3N
B. 20.0N
C. 40.0N
D. 80.0N

Question 30:

• JAMB 2003

A 90cm uniform lever has a load of 30N suspended at 15cm from one of its ends.

If the fulcrum is at the center of gravity, the force that must be applied at its other end to keep it in horizontal equilibrium is

A. 15N
B. 20N
C. 30N
D. 60N