Question 9
WAEC
•
2023
•
PHYSICS
•
essay
Question Parts
(
a
)
Define each of the following terms used with simple machines; pivot; load; efficiency.
(
b
)
A truck of mass \( 1.2 \times 10^{3} \mathrm{~kg} \) is pulled from rest by a constant horizontal force of \( 25.2 N \) on a levelled road. If the maximum speed attainable in the process is \( 60 \mathrm{~km} \mathrm{~h}^{-1} \). Calculate the;
(i) work done by the force;
(ii) distance travelled by the truck in reaching the maximum speed.
(
c
)
State two differences between absolute zero temperature and ice point.
(
d
)
An uncalibrated liquid-in-gas thermometer was used in determining a Celsius temperature. The readings are tabulated below. \( \begin{array}{|l|c|c|c|} \hline \text{Temperature }^\circ\text{C} & -6 & 0 & 100 \\ \hline \text{Length of column/cm} & L & 2.0 & 15.0 \\ \hline \end{array} \) Determine the value of \( L \).
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About This Question
This is
Waec
2023
Physics
Question 9.
It is one of the
essay
questions from the
2023
Waec
Physics
examination.
The question covers
General
.