Post Utme Ebonyi State University Physics Past Questions and Answers

Question 16:

Which of the following is the most suitable for use as an altimeter?

A. A mercury barometer
B. A Fortin barometer
C. A mercury manometer
D. An aneroid barometer

Question 17:

A body of weight \(W \mathrm{~N}\) rest on a smooth plane inclined at an angle \(0^{\circ}\) to the horizontal. What is the resolved part of the weight in newtons along the plane?

A. \(W \sin \theta\)
B. \(W \cos \theta\)
C. \(W \sec \theta\)
D. \(W \tan \theta\)

Question 18:

A small metal ball is thrown vertically upwards from the top of a tower with an initial velocity of \(20 \mathrm{~ms}^{-1}\). If the ball took a total of \(5 s\) to reach ground level, determine the height of the tower.

A. \(60 \mathrm{~m}\)
B. \(80 \mathrm{~m}\)
C. \(100 \mathrm{~m}\)
D. \(120 \mathrm{~m}\)

Question 19:

An object moves with uniform speed round a circle. Its acceleration has ____________

A. Constant magnitude and constant direction
B. Constant magnitude and varying direction
C. Varying magnitude and constant direction
D. Varying magnitude and varying direction

Question 20:

A wheel and axle have radil \(80 \mathrm{~cm}\) and \(10 \mathrm{~cm}\) respectively. If the efficlency of the machine is \(0.85\), and applled force of 120 Nto the wheel will raise a load of ____________

A. \(8.0 \mathrm{~N}\)
B. \(6.8 \mathrm{~N}\)
C. \(8160.0 \mathrm{~N}\)
D. \(9600.0 \mathrm{~N}\)