Post Utme Federal University of Technology, Akure Physics Past Questions and Answers

Question 11:

A body is projected vertically upwards with a velocity of \(9.78 m / s\).
How high does it travel before it comes to rest momentarily at the top of its motion?

A. \(4.89 m\)
B. \(500 m \quad\)
C. \(48 m\)
D. \(9.78 m\)

Question 12:

Which of the following statements is not true about the friction force?

A. Friction always aet in such a direction that opposes motion
B. The limiting frictional force is dependent on the area of contact of the two surfaces
C. Until motion takes place, the frictionally force is always equal to the fore tending to produce the motion
D. When motion takes place, the friction force is less than its limiting value.

Question 13:

A solid of mass \(1 kg\) suspended by a string, is completely immersed in water. If the tension in the string is \(5 N\).
calculate the upthrust on the solid Take \(g =9.78 m / s 2\)

A. \(8.0 N\)
B. \(4.78 N\)
C. \(47 N\)
D. \(9.78 N\)

Question 14:

The resistance of a piece of wire of length \(20 m\), cross-sectional area \(8.0 \times 10-6 m 2\) and resistivity 4.0x10-7. [a-m is:

A. \(0.5\)
B. 1.0
C. 5.0
D. 10.0

Question 15:

A force of \(0.6 N\) acts on a body of mass \(40 kg\), initially at rest. What is the resulting acceleration?

A. \(24 m / s 2\)
B. \(0.6 m / s 2\)
C. \(40 m / s 2\)
D. \(15 m / s 2\)