Number : 1
A
car travels 100 km. The journey takes two hours. The highest speed of the car
is 80 km/h, and the lowest speed is 40 km/h. What is the average speed for the
journey ? in km/h.
A. 40
B. 50
C. 60
D. 120
Number : 2
A
ball rolls down a ramp. The time takes to move from X to y is measured. Which other
quantity must be measured in order to calculate the average speed of the ball
between point X and Y ?
A. Distance between X
and Y
B. Angle of slope
C. Diameter of ball
D. Height of ramp
Number : 3
A
cup contains hot liquid. Some of the liquid evaporates. What happens to the
mass and what happens to the weight of the liquid in the cup.
|
|
Mass |
Weight |
|
A |
Decreases |
Decreases |
|
B |
Decreases |
Stay
the same |
|
C |
Stay
the same |
Decreases
|
|
D |
Stay
the same |
Stay
the same |
Number : 4
Which
property of an object cannot be changed by applying forces?
A. Speed C. Shape
B. Direction of move D. Mass
Number : 5
A
ball is dropped in an evacuated tube A series of photographs is taken at equal
time intervals from the time of release. Another ball of the same size but
twice the mass is also dropped in the same evacuated tube and photographed. Which
diagram shows the motion of the heavier ball ?
A. A B.
B C.
C D.
D
Number : 6
A
ball is dropped from table – top. Air resistance may be ignored. Which row
describes the velocity and the acceleration of the ball at point X ?
|
|
Acceleration
|
Velocity
|
|
A |
Constant
|
Constant |
|
B |
Constant
|
Increasing |
|
C |
Increasing
|
Constant |
|
D |
Increasing
|
Increasing |
Number : 7
Which
row contains two correct statements about the mass and the weight of an object
?
|
|
Mass of the object |
Weight of the object |
|
A |
Is
measured using a measuring cylinder |
Is
measured using a balance |
|
B |
Is
measured in Newton |
Is
measured in kilograms |
|
C |
Is
the same everywhere |
Can
vary from place to place |
|
D |
Is
the gravitational force exerted on the object |
Is
the amount of matter in the object |
Number : 8
The
diagram shows the speed – time graph for a car.
Which
area represents the distance travelled while the car is accelerating ?
A. X + Y
B. Y – x
C. X
D. Y
Number : 9
An
astronaut in a space station orbits above the Earth. In the space station, the
acceleration due to gravity is 7.5 m/s2. On Earth, the acceleration
due to gravity is 10 m/s2. Which statement about the astronaut’s
mass and weight in the space station is correct ?
|
|
Mass of astronaut |
Weight of astronaut |
|
A |
Lower
than on Earth |
Less
than on Earth |
|
B |
Lower
than on Earth |
Greater
than on Earth |
|
C |
Same
as on Earth |
Less
than on Earth |
|
D |
Same
as on Earth |
Greater
than on Earth |
Number : 10
A
steel ball is dropped from the top floor of a building. Air resistance can be
ignored. Which statement describes the motion of the ball ?
A. The ball falls with
constant speed
B. The ball falls with
constant acceleration
C. The ball falls with
increasing acceleration
D. The ball falls with
increasing speed
Number : 11
A
car travels along straight road. The speed – time graph for this journey is
shown. During which labelled part of the journey is the resultant force on the
car zero ?
Number : 12
In
which situation is no resultant force needed ?
A. A car changing
direction at a steady speed
B. A car moving in a
straight line at a steady speed
C. A car speeding up
D. A car slowing down
Number : 13
Which
distance / time graph represents the motion of an object moving at constant
speed ?
Number : 14
Which
statement about the masses and weights of objects on the Earth is correct ?
A. Heavy objects always
have more mass than light ones
B. A balance can only be
used to compare weights, not masses
C. Mass is a force but
weight is not
D. Large objects always
have more mass than small ones
Number : 15
A
car travels forwards along a straight horizontal road. Only the horizontal
forces acting on it are shown.
The length of each arrow represents the size of each force. How do these forces affect the motion of the car.
A. The car’s forward speed
increases
B. The car moves
backwards
C. The car slows down
D. The car moves at
constant speed
Number : 16
Hukum
Inersia disebut juga dengan hukum Newton ke - …
A. I
B. II
C. III
D. IV
Number : 17
Mengapada
ban berbentuk bulat dapat mengurangi gaya gesekan
A. Karena ban terbuat
dari karet
B. Karena lebih nyaman
C. Karena permukaan ban yang bersentuhan dengan aspal lebih
sedikit
D. Karena permukaan ban
tidak rata
Number : 18
Kombinasi
gaya yang berupa dorongan dan tarikan secara bersamaan terdapat pada kegiatan …
A. Menyapu lantai
B. Merobek kertas
C. Memasak
D. Menulis
Number : 19
Benda
akan bergerak jika gaya yang bekerja pada benda melebihi …
A. Gaya gesekan statis C. massa benda
B. Gaya gesekan kinetis D. volume benda
Number : 20
Berikut
yang bukan merupakan keuntungan dari adanya gaya gesekan adalah …
A. Dapat menulis
B. Dapat berjalan
C. Dapat berhenti
D. Dapat berputar
Kunci
|
No. |
Kunci
|
|
No.
|
Kunci
|
|
1 |
B |
|
11 |
B |
|
2 |
A |
|
12 |
B |
|
3 |
A |
|
13 |
D |
|
4 |
D |
|
14 |
A |
|
5 |
B |
|
15 |
C |
|
6 |
B |
|
16 |
A |
|
7 |
C |
|
17 |
C |
|
8 |
C |
|
18 |
B |
|
9 |
C |
|
19 |
A |
|
10 |
B |
|
20 |
D |
