Worksheetsfree fall, inertia and momentum
Total questions: 44
Worksheet time: 2hrs 12mins
A textbook is dropped from a second floor window and falls to the ground. What happens to the velocity as the book falls to the ground
the velocity increases
the velocity decreases
the velocity remain constant
A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground
the acceleration increases
the acceleration decreases
the acceleration remains constant
A baseball is thrown up into the air. What happens to the velocity as the ball rises in the air?
the velocity increases
the velocity decreases
the velocity remains constant
A baseball is thrown up into the air. What happens to the acceleration as the ball rises in the air?
the acceleration increases
the acceleration decreases
the acceleration remains constant
A baseball is thrown up into the air. What direction is the velocity of the ball?
upward
downward
A baseball is thrown up into the air. What direction is the acceleration of the ball?
upward
downward
A textbook is dropped from a second floor window and falls to the ground. What direction is the velocity?
upward
downward
A textbook is dropped from a second floor window and falls to the ground. What direction is the acceleration?
upward
downward
The state that exists when the only force acting on an object is gravity is called
free fall
inertia
acceleration
momentum
The acceleration due to gravity near the surface of Earth is equal to
9.8 m/s
9.8 kg x m/s
9.8 N
9.8 m/s2
Free fall takes into consideration the frictional force of air resistance.
True
False
Heavier objects free fall faster than lighter objects.
True
False
Which has the MOST inertia?
Objects with greater _________ also have greater inertia.
speed
mass
force
friction
All objects have inertia
True
False
Inertia is Newton's _______ Law of Motion.
First
Second
Third
Diagram shows the two tins of the same size oscillating after they are released from the same height. After a while the tin filled with sand is still oscillating while the empty tin has stopped. What is the inference can be made for this experiment?
The tin filled with sand has the biggest inertia
The tin filled with sand has the smallest inertia
The tin filled with the sand experience bigger air resistance
The tin filled with the sand experience smaller air resistance
Which explains why the tablecloth trick works?
The dishes are stuck in place due to air resistance.
The tablecloth is an ilusion.
The dishes have inertia, and therefore stay on the table.
magic
What physical quantity of the brick is constant while it is falling?
Apakah kuantiti fizik bata itu yang malar semasa bata itu jatuh?
TENAGA KEUPAYAAN
TENAGA KINETIK
PECUTAN
HALAJU
Momentum objek bergantung kepada ___________&_____________.
Bentuk dan saiz
Jisim dan halaju
Jisim dan laju
Jisim dan tenaga
Persamaan untuk mengira momentum ialah
p=mv
p=1/2mv2
p=mgh
p=mg
Yang manakah mempunyai momentum yang lebih besar ; kereta yang berhenti di lampu isyarat atau motosikal yang bergerak dengan halaju 15 km/j?
kereta
motosikal
sama
tiada jawapan diatas
Tentukan momentum bagi sebuah kereta yang berjisim 1000 kg bergerak ke arah utara dengan halaju 20m/s.........
20000 N
20000 Kg * m/s ke utara
20000 Joules
10000 kg * m/s ke utara
Sebiji bola A yang berjisim 2.5 kg bergerak dengan halaju 5 m/s dan melanggar bola B berjisim 2.5 kg dalam keadaan pegun dalam perlanggaran kenyal. Berapakah halaju bagi bola B selepas perlanggaran?
5 m/s
10 m/s
2.5 m/s
7.5 m/s
Momentum ialah kuantiti _____________________.
sains
skalar
vektor
tenaga
Dalam setiap perlanggaran, ___________ sentiasa malar.
tenaga
jumlah halaju
jumlah laju
jumlah momentum
Apabila dua objek berlanggar, Psebelum adalah ____________ Pselepas.
lebih berbanding
kurang berbanding
sama dengan
tidak berkaitan dengan
Apabila laju sesuatu objek dua kali ganda, momentum bagi objek tersebut ialah ___________
tidak berubah kerana berdasarkan prinsip keabadian momentum
dua kali ganda
empat kali ganda
berkurang
Yang manakah mempunyai momentum yang paling besar?
Objek yang berjisim 0.05 kg bergerak dengan halaju 0.2 m/s.
Objek berjisim 0.15 kg bergerak dengan halaju t 1 m/s
Objek berjisim 0.15 kg bergerak dengan halaju at 2 m/s.
Objek berjisim 0.4 kg bergerak dengan halaju 2 m/s
Yang manakah mempunyai momentum yang paling kecil?
Semut yang bergerak di atas tanah
Semut dalam keadaan pegun
Gajah yang sedang berjalan
Gajah yang berlari
Apakah SI unit bagi momentum?
m/saat
kg/saat
kg/m
kg m/saat
Apakah unit si bagi halaju?
m/saat
kg/saat
kg/m
kg m/saat
Apakah unit si bagi jisim?
m
kg/m
kg
g
Berapakah momentum bagi sebuah troli berjisim o.250 kg yang bergerak pada halaju 0.400 m/s?
0.1 kg-m/s
1 kg-m/s
10 kg-m/s
100 kg-m/s
Yang manakah BUKAN unit si bagi momentum?
kg*m/s
kg*mph
N*s
kg*m/s2
Dalam perlanggaran kenyal, _______________ diabadikan.
momentum
tenaga kinetik
momentum dan tenaga
Dalam perlanggaran tidak kenyal, ___________ diabadikan.
momentum
tenaga kinetik
momentum dan tenaga
Apakah yang dinyatakan oleh Hukum Newton ketiga?
objek yang bergerak akan terus bergerak dan objek dalam keadaan pegun akan terus pegun selagi tiada daya luar dikenakan.
Setiap tindakan adalah sama dengan tindakan bertentangan
Daya = jisim x pecutan
Definisi momentum ialah ________
hasil darab jisim objek dan halaju
saiz objek
halaju sesuatu objek
perbandingan antara 2 objek
