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 $5s$ 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. $9600.0\mathrm{N}$