Jamb Physics 1986 Past Questions and Answers

Question 6:

• JAMB 1986

Which of the following is in a neutral equilibrium?

A. A heavy weight suspended on a string
B. A cone resting on its slant edge
C. A heavy-based table lamp
D. The beam of a balance in use

Question 7:

• JAMB 1986

A ball is thrown vertically into the air with an initial velocity u. What is the greatest height reached?

A. U2g
B. \(\frac{3u^2}{2g}\)
C. \(\frac{u^2}{g}\)
D. \(\frac{u^2}{2g}\)

Question 8:

• JAMB 1986

Which of the following assumptions is made in a simple pendulum experiment? the

A. Suspending string is inextensible
B. Bob has a finite size
C. Bob has a definite mass
D. Initial angle of oscillation must be large

Question 9:

• JAMB 1986

A constant force of magnitude F acts on an object of mass 0.04kg initially at rest at a point O. if the speed of the object when it has moved 50m from O is 500ms^-1, what is the value of F?

A. 0.4N
B. 100.0N
C. 250.0N
D. 1000.0N

Question 10:

• JAMB 1986

A rectangular tank contains water to a depth of 2m, if the base is 4m x 3m, calculate the force on the base (Density of water = 10³kgm^-3, g = 10ms^-2)

A. 1.4 x 10²N
B. 24 x 10⁴N
C. 2.0 x 10⁴N
D. 1.7 x 10³N