Physics Form Three Mid Term Exam August 2026 - Hidaya Secondary
PHYSICS FORM THREE MID TERM TEST AUGUST 2026 – HIDAYA
SECONDARY SCHOOL.
SECTION C: 30 MARKS
Answers only two questions from this section
9. (a) Give three ways in which friction is play an
important role in daily life
(b) State three ways in which friction can be reduced
(c) State three laws of friction
(d) A mass of 10kg is placed on a plane inclined at an angle
of 30 to the horizontal. Calculate the force required to pull the mass up the
plane if the coefficient of friction is 0.4
10. a) Differentiate heat from temperature. (3 points)
b) i) Why are electrical cables left sagging during
installation?
ii) why cooking utensils are made with wooden or plastic
handles
(c) A piece of metal of lengths 5.00m at 25°C is heated to
70°C . If coefficient of linear expansivity is 1.3 × 10 -⁴ /°C. Find the new
length
11. (a) An object is placed in front of concave mirror of
focal length 15 cm. The image formed is two times the size of the object.
Calculate the possible distance of the object from the mirror.
(b). (I)Can action and reaction forces cancel each other?
(ii) A fish swims at depth of 20m below the surface of
water. Calculate the liquid pressure acting on the fish if water has density of
1.2 g/ cm³
