GAYAZA HIGH SCHOOL
END OF TERM TWO
PHYSICS PAPER FOR
SENIOR TWO
TIME :1Hr 40mins
INSTRUCTIONS
ATTEMPT ALL QUESTIONS IN THIS PAPER.
FILL THE TABLE BELOW WITH THE CORRECT
ALTERNATIVE FOR SECTION A QUESTIONS.
Assume where necessary g

10 ms

2
1
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
SECTION A
1. Which of the following instruments measures the weight of an object
A. Spring balance
C. Top pan balance
B.
D.
Beam balance density bottle.
2. Gas pressure can be measured using an instrument called
A.
C.
Barometer
Hydrometer
3. Which of the following does not apply to atmospheric pressure to its operations?
B. Manometer
D. Thermometer
A. Bicycle pump
C. Beam balance
B. Siphon
D. Drinking straw
4. A stone of mass 4.8kg rests on the floor. If the area of contact with the floor is 12cm 2 what pressure does the mass exert on the floor?
1

A.
4000 Nm

2 B.
40000 Nm

2 C.
0 .
4 Nm

2 D.
40
5. Which of these equations defines momentum of a body?
A.
Momentun
 mass
 accelerati on
B.
Momentum
 weight

Nm

2 velocity
C.
Momentum
 mass
 displaceme nt
D.
Momentum
 mass
 velocity
A.
6. The graph that shows variation of velocity with time for a body moving with constant velocity is
B. v v t t
C.
v t
D. v t
Fig. 1
7. The impulse of a force is defined as the product of;
A. Force and its velocity
B. Force and time taken
C. Momentum and time taken
D. Mass and its velocity
8. The forces of magnitude 13N,25N 10N and 5N act on a body as shown below, calculate the resultant force.
13N
5N 10N
25N
Fig 2
A 12N B.13N C. 17N D. 10N.
9. The graph in fig 3 below represents the motion of a ball thrown vertically upwards and returns to the original position.
2

20
0 2 4
-20
Fig 3
The total displacement of the ball is
A. 0m B. 20m C. 40m D.80m
10. A body of mass 50kg moves with a velocity of 5ms -1 from rest. Find its momentum.
A. 250kgms -1 B. 10kgms -1 C. 0.1kgms
-1 D. 500kgms -1 .
11. Which class of lever is the bottle opener shown below?
Fig 4
A. First B. second C. Third D. Fourth
12. The diagram below shows a simple lever. How can the load be lifted more easily without increasing the effort?
Fig.5
A. Move the load further from the fulcrum.
3

B. Move the fulcrum nearer the effort.
C. Apply a larger wedge and raise the fulcrum but keeping it in the same position.
D. Move the load nearer to the fulcrum
13. Coal ,oil, gas and electricity are sources of energy. Which of them, is the only renewable source of energy on the list?
A. Coal B. Gas C. Electricity D. oil
14. What type of equilibrium does a spherical marble placed on a smooth table have?
A.
C.
Neutral equilibrium B.
Stable equilibrium D.
Unstable equilibrium
None of the above.
15. In which of the following devices is chemical energy converted to electrical energy when in operation ?
A. Motor B. Bicycle C. Dry cell D. Bulb
16. When water spreads on a glass plate ,the forces between its molecules and glass molecules are due to
A. surface tension
C. cohesion
B.
D. adhesion capillarity
17. When a body is falling the kind of energy it possesses is
A. Only kinetic energy
B. Only potential energy
C. Electrostatic energy.
D. Both potential and kinetic energy.
18. A ball of mass 1kg bounces off the ground to a height of 2m after falling from a height of 5m,find the energy lost.
C. 30J D.50J A. 5J
19.
F
B.20J
4kg
Fig.6
10N
4

A block of wood of mass 4kg is placed on a smooth table and two forces applied on it as shown in fig If the acceleration of the body is 2ms -1 ,in the direction of the 10N force ,find F
A. 2N B. 2.5N C. 30N D. 6N
20. A bus carrying a heavy load on its rack is more unstable when moving because
A. its centre of gravity is raised.
B. the friction on the ground increases.
C. its total weight is increased.
D. the pressure on the tyres is increased.
21.
Fig.7
The diagram in figure 1 shows air trapped by a column of mercury in a J-tube. The atmospheric pressure is 76cm Hg.At what pressure is the enclosed air?
A. 10cm Hg
142cmHg
B.66cm Hg C. 76cmHg D.
22. The figures below show two kinds of shoes for girls. Type A and type B.
Type A Type B
Fig.9
5

Which of the following statements is true?
A. Type A shoes exert more pressure when the girl wearing them steps on another girl’s bare foot.
B. Type B shoes exert more pressure when the girl wearing them steps on another girl’s bare foot.
C. Type B shoes have high area of contact.
D. Type A shows have low area of contact.
23. A car is uniformly accelerated from rest and after 10s acquires a speed of 20ms -1 .It maintains the speed for the next five seconds. What is the total distance it covers?
A. 100m B. 20m C. 200m D. 10m
24. Which of the following is not a vector quantity?
A. Momentum B. Displacement C. Energy D. acceleration.
25. Which of the units below is the correct SI unit of momentum?
A. Nm B.
kgms

1 C.
Nm

2 D.
kgN .
26. The diagram below shows a string whirled in a circle. What is the name of the force that tends towards the centre of the circle which keeps the object moving ?
A. Frictional force
C. Centripetal force
Fig.10
B. adhesion force
D. Suspension force
27. A tank 2m tall and base area 2.5𝑚 2 is filled with oil which exerts a force of 40000N at the bottom. Calculate the density of the oil.
A. 800kgm -3 B. 8000kgm -3
C. 0.00125kgm
-3 D. 0.000125kgm
-3
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28.The number of complete oscillations made per second is referred to as
A. periodic B. amplitude
C. wavelength D. frequency
29. The diagram below shows a wooden rod balanced on a knife edge. Find the unknown force.
A. 2.5N B.10N C. 2N
Fig.11
D. 20N
30.Which one of the following is not true about a body moving with a constant velocity?
A. Its acceleration is zero. B.Its momentum is constant.
C. Its kinetic energy is constant. D. There is a resultant force on it.
SECTION B.
7

Define :
26.(i) Velocity ratio of a machine.
The diagram below shows a pulley system carrying a 40kg object.
Fig 12
(ii) State the velocity ratio of the pulley system.
(iii) If the efficiency of this pulley system is 75%,find the effort applied to it to lift the load.
27(i). Define the term uniform velocity.
(ii) A ticker tape timer has a vibrator of frequency 40Hz and makes
nine dots on a tape. The distance between the first and last dots is 10cm. Calculate the velocity of the trolley driving the tape.
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28.(a) State the principle of transmission of pressure.
(b) In the hydraulic press below a force of 50N is applied to the small piston of area 0.5cm
2 ,calculate the force which will be lifted by the larger piston if the area of the larger piston is 5cm 2 .
A
1
=0.5cm
2
Fig 13
29.(a) Define the terms
(i) Displacement
(ii) acceleration
(b) An object is thrown vertically upwards with an initial velocity of
50m/s.Find the
(i) maximum height reached by the object.
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(ii) the time taken to reach this height.
30(a). State the principle of moments.
(b) How would use it to find the weight of a wooden rod?
(c ) A metre rule is found to balance at 49cm mark. When a mass of 100g is suspended at the 10cm mark, it balances at 36cm mark. Calculate the weight of the rule.
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